Reverse engineering layer pcb jobs
I would need help withe the complete MVP, frontend in React/Angular and backend in Node.js with database setup for this project. Let me know if this is something you will like to work on and we can take it forward. More details: Is this project for business or personal use? Personal What information should successful freelancers include in their application? Detailed project proposals How soon do you need your project completed? ASAP
I am help with thermodynamics engineering maths problems
I am seeking a knowledgeable and experienced golf equipment designer to create a unique steel golf club with a putter-style head. KEY RESPONSIBILITIES: - Designing an innovative putter-style golf club using steel - Prioritising practicality ...using steel - Prioritising practicality and functionality in the design - Ensuring the final design is professional, manufacturable, and attractive IDEAL CANDIDATE: - Extensive experience in mechanical design, specifically in designing golf equipment - Proficient in 3D CAD software - In-depth understanding of golf clubs, particularly putters, and their design features - Skilled in materials engineering, especially regarding steel use in sports equipment - Creative problem solver, capable of pioneering novel design elements for unique prod...
I am seeking a knowledgeable and experienced golf equipment designer to create a unique steel golf club with a putter-style head. KEY RESPONSIBILITIES: - Designing an innovative putter-style golf club using steel - Prioritising practicality ...using steel - Prioritising practicality and functionality in the design - Ensuring the final design is professional, manufacturable, and attractive IDEAL CANDIDATE: - Extensive experience in mechanical design, specifically in designing golf equipment - Proficient in 3D CAD software - In-depth understanding of golf clubs, particularly putters, and their design features - Skilled in materials engineering, especially regarding steel use in sports equipment - Creative problem solver, capable of pioneering novel design elements for unique prod...
I need a proficient PCB designer who can create a unique design for an infrared light control system. This system will be housed on a compact, single-layered PCB, requiring detailed and thoughtful design to optimize the efficiency. - PCB Layer: Single-layer PCB - PCB Size: Flexibility is key here as the size is yet to be determined. A guided proposal on the size based on the functionalities to be embedded will be advantageous. - Special Characteristics: The PCB must be designed to handle a microcontroller that controls an infrared light. Hence, expertise in microcontroller integration to PCB is required. Skills and Experience: - Proficient with single-layer PCB designs - Deep understanding of microcontroller in...
I'm in the process of integrating a temperature sensor into a PCB circuit. Accomplishing this task requires in-depth knowledge and experience in programming in C++, Python, and Assembly language, as well as a deep understanding of both circuit design and sensor integration. Key requirements: - Proven experience in PCB circuit design, more specifically with sensor integration. - Proficiency in programming languages such as C++, Python, and Assembly language. - Detailed knowledge of temperature sensors and how to integrate them successfully into a PCB circuit. Your task would be to design a PCB circuit that integrates a temperature sensor while meeting the project requirements and timeframes. Interested specialists should demonstrate their history with si...
I require an experienced engineer or architect, preferably from the West Godavari or East Godavari regions for hands-on involvement, to execute the elevation design for our new modern-style house. Your work will be based on a detailed floor plan that I've already prepared. Key requirements: - Skilled i... - Skilled in designing structural elevations for modern residences - Able to interpret and effectively use detailed floor plans - Ideally based in or near West Godavari or East Godavari for site visits - Committed to adhering to timelines and maintaining open, clear communication This is a great opportunity to utilize and showcase your proficiency in modern elevation design and structural engineering. I'm looking forward to seeing your excellent work translate into our...
Skills and Expertise we seek • Advanced AWS cloud platform proficiency and strong experience with infrastructure-as-code • Solid understanding of network topology and...proficiency and strong experience with infrastructure-as-code • Solid understanding of network topology and routing. • Deep knowledge of AWS network services like Virtual Private Cloud, Transit Gateway, Direct Connect, Route 53, WAF/Shield and CloudFront. • Familiarity with IPAM for automation and effective network management. • Skilled in Linux systems, managing software load balancers, and reverse proxies such as HAProxy or Envoy. • Familiarity with container orchestration and CI/CD systems. • VPN configuration for remote team • Ability to work collaboratively in a tea...
I'm seeking a knowledgeable individual or team to asse...internal structures like floor slabs and partitions. You will: - Conduct vibration testing and analysis on a variety of building types. - Study the effect of different metro rail speeds on building structures. - Provide detailed examination of the structures' reaction to these vibrations. - Present a comprehensive report of the findings. This task requires a sound understanding of structural engineering, vibration analysis, and rail transportation. Proficiency with vibration measurement tools and software is a must. Any experience relating to metro-rail infrastructure would be a bonus. Please note, we don't have any specific design criteria or standards for this assessment to adhere to. It is a purely analyti...
I'm in search of an expert in electrical engineering to create a unique circuit for timing a workout routine. The designed circuit should be capable of timing cardio exercises and strength training intervals for a seamless exercise regime. Key requirements are: - It should provide a signal for 1 minute of green light functioning as "exercise on", and 30 seconds red light acting as "exercise off". - This signals should be repeated cyclically until manually stopped. Ideal freelancers should have experience with circuit design, timing mechanisms, and they should have an understanding of fitness equipment or similar projects. This project offers an exciting opportunity to adapt traffic light technology for fitness purpose. If you're looking for a uniq...
I am looking for a skilled engineer or designer who can create a mechanical opening and closing mechanism for a small component. This mechanism will be driven by an electric actuator and shoul...design the mechanism as well as the 3D model and combining both into a production ready model - Designs that are production-ready, implying a certain familiarity with the manufacturing processes involved - Experience with mechanisms designed for reveal applications The successful applicant will have a history of effective problem-solving, a solid understanding of the principles of mechanical engineering and some experience in the production or design of actuator-driven machines. Creativity and a detail-driven approach are highly valued, as the project requires both functionality and aesthet...
I'm in need of a highly skilled live audio engineer to provide sound reinforcement and mixing services for an upcoming live singing competition, focused on an acoustic solo/duo performance. Any feedback or echoes must be prevented, so a good understanding of acoustic treatment is a must. Ideal Skills/Experience: - Proven experience in live sound reinforcement and mixing for acoustic performances - The ability to work effectively under the pressures of a live competition setting - An excellent understanding of feedback and echo prevention - Previous experience working with acoustic solo/duo performances will be a major plus. The success of this event depends greatly on the audio quality during the performance, hence the engineer is key to the whole production team. I look forward to...
I'm seeking a knowledgeable individual or team to asse...internal structures like floor slabs and partitions. You will: - Conduct vibration testing and analysis on a variety of building types. - Study the effect of different metro rail speeds on building structures. - Provide detailed examination of the structures' reaction to these vibrations. - Present a comprehensive report of the findings. This task requires a sound understanding of structural engineering, vibration analysis, and rail transportation. Proficiency with vibration measurement tools and software is a must. Any experience relating to metro-rail infrastructure would be a bonus. Please note, we don't have any specific design criteria or standards for this assessment to adhere to. It is a purely analyti...
This is an in-person role working in the facility. This is a contract role th...reasoning and logic to develop creative and practical solutions and apply past proven solutions to solve new problems. Work independently with minimal supervision and collaboratively within peer, production, and sales engineering teams. Read technical drawings, project specifications, and clearly communicate technical information to others. Education Qualifications Bachelor’s degree in mechanical engineering from an accredited institution with three to five years’ experience in sheet metal electrical enclosure design and fabrication, OR Two years associate degree in mechanical engineering technology with five to seven years’ experience in sheet metal electrical enclosure ...
As an engineering firm specializing in structural engineering, building envelope, and sustainability consulting, we are seeking an SEO expert who can notably increase our visibility across Google and Bing. Specifically, our project goals include: - Enhancing our website's organic traffic - Improving distinct rankings for our services We need a freelancer with a blend of the following skills and experience: - Proven SEO track record, particularly in optimizing for Google and Bing - Understands the engineering sector, preferably with experience in SEO for similar services - Ability to implement tailored SEO strategies to improve organic traffic and website rankings A successful outcome will be marked by an evident increase in organic traffic and improved websi...
I'm in need of a routine maintenance home inspection with a specific focus on wall structure. My biggest concern is regarding the structural stability of my walls. An individual with expertise in structural design and an eye for signs of potential instability would be the ideal candidate for the job. Your primary task will be to: - ...stability of my walls. An individual with expertise in structural design and an eye for signs of potential instability would be the ideal candidate for the job. Your primary task will be to: - Carry out a thorough inspection of my home's wall structure - Gauge the structural stability and provide a detailed report - Suggest any necessary preventative measures or repairs Experience in structural engineering would be a plus, along with strong ...
I'm in need of a skilled MikroTik engineer to assist in managing a network setup already in design phase. The tasks include: - Configuring routers, switches and access points. - Troubleshooting and resolving any network issues. Specifically, we have a switched ethernet lab and it is 90% setup but we need support on a few configurations. The ideal candidate should be adept in MikroTik equipment, with extensive experience in configuring such devices and network trouble-shooting. A strong track record in implementing and managing network setups is highly valued.
This is a civil engineering project. I need you to design a drainage system based on the city standards of Cleburne, TX for a proposed site plan on AutoCAD. This includes inlets(grade, curb inlets, design drainage pipes( sizing the pipes and elevations) that includes the flow lines and which the elevations directly correlate to the sizing of the pipes based on the hydraulics. Create a drainage area calculation table(runoff coefficient, rainfall intensity, peak rate of runoff). I have attached the project scope, the current site plan, and the proposed site plan. Include all design criteria and measurements you utilized.
I'm in need of a creative assistant with a good ear, to help me with audio related tasks. No sound engineering background is required. Simply looking for someone who wants to be apart of a major project. Budget is on lower end, but you'll receive plenty of hours of work while actually making AMAZING content which you can be proud of. You'll be working with a team in order to achieve such great results. As well as receive extensive training via videos, a full guide, and supervisor. As the team grows you'll also be able to choose your favorite category, solidifying that you actually get to work on what you love! Key Responsibilities: - Generating AI Voices (will be taught) - Trimming AI audio clips - Sourcing sound effects for moments in videos - Choosing Relev...
I am in need of a professional and experienced Mechanical Engineer who ...verification of the safety compliance in a manufacturing process. Ideal skills and experience: - Registered Mechanical Engineer - Experience in industrial manufacturing - Expertise in safety compliance and regulations Key requirements: - Analyze our manufacturing process - Verify safety compliance - Provide a mechanical engineering stamp based on your assessment This project requires specific understanding and experience in safe manufacturing processes, mechanical engineering practices, and a keen eye for detail. Safety is our utmost priority and this project aims to ensure that our manufacturing process adheres to the best safety standards in the industry. Your role will be vital in helping us ...
I need a proficient electronics engineer to review and identify any design flaws, then route the PCB layout created with Eagle software. Please update the design to correct any design issues. Dont change the location of the 24x DMM-4026-B-I2S-R ICs. Any other component can be moved. If you can't identify at least 10 flaws or suggestions then I cant accept the review. The highest frequency in the board is SCKx and D1-D24 at 3.07MHz.
I'm on the lookout for a specialist in automotive engineering with a keen focus on vehicle dynamics. The project involves the development of a flying car aimed toward children's use. Crucially, the emphasis should be on: - Improving handling and control of the vehicle - Designing the flying car more like a drone than a traditional car If you're a creative thinker with experience in automotive engineering, particularly in the realm of innovative forms of transport like drone-cars, I'd love to hear from you. Knowledge of safety features for kids' products would be a plus.
I'm seeking for a seasoned architect to help design my dream home from scratch. This project entails creating a Colonial Farmhouse design with specific room count in mind: - Six bedrooms - Five and a half bathrooms The ideal candidate sh...and substantial experience in home design – particularly with new construction – and familiarity with Colonial and farmhouse architectural styles. Providing previous project samples that align with my vision will give you an upper hand. Impeccable detail orientation and clear, timely communication are necessary for this job. Attached is our initial layout that can be adjusted for efficiency, engineering, etc. We left out most of the closets and doors leaving those to your expertise. Our lot is large (3 acres) and flat, so we ca...
I am looking for two product cases to be designed for 3d printing. I have a previous STL file to base one of the designs off and I will need something similar for the second. Product Design 1: - Case has screw holes inside to fix a PCB - Case is screwable from the outside - Case has wall fixings - Case needs a small circular hole for a cable - Case needs a small hole on the top to press a button I have an STL file that does all of the above and I just need it to be modified. Product Design 2: - Case needs to clip together - Case needs to have a battery (I am using a coin cell battery) compartment to change the battery
I'm in search of a versatile and experienced programmer/developer skilled for a game already exist. While I'm not exactly sure about the technical stack that will be required, a wide-ranging knowledge base would be beneficial....mentioned here above. That my client can level up faster and easier. If you can do that, then please let me know. Furthermore I don't have the source code of this game. I don't want a copy of this game. The developer must have a deep understanding of game development and be proficient in reverse engineering. The project will require knowledge of APK modification tools and techniques. Attention to detail and the ability to work independently are essential. Relevant skills: - Game development - Reverse engineering -...
I'm seeking a skilled textile engineer for my lace fabric project. This role will have two fundamental aspects: 1. Material Sourcing and Testing: Your expertise in identifying a...testing high-quality materials will be invaluable to ensure the durability and aesthetic appeal of the final product. 2. Production and Quality Control: You will oversee the production process to ensure that the lace fabric meets the required 60-inch width. Your meticulous nature will be key in maintaining strict quality standards. Ideal candidates will have a strong background in textile engineering, specifically related to lace fabrics. Experience in managing the end to end production process as well as sourcing and testing materials will set you apart. A keen eye for detail to ensure quality con...
...Required full parts list and the schematic (please recommend format, preferably I can open it using open source software). 6. This project does not involve any electrical consumer, it is only a solar powered battery recharger that recharges rechargeable Li-ion pill batteries. I will use the schematic to print a PCB and then create a couple of boards for a bunch of batteries I use. 7. Where to print the PCBs: Please recommend providers in Europe that can print very low quantities of this PCB. 8. Any other considerations / suggestions would be very much appreciated. I am not proficient in electronics, so any improvement that you would like to add is greatly appreciated and can be discussed / negotiated. Please reach out and include a brief idea on how you'd like to ...
Pcb designer with knowledge of circuit diagram and sensors
READ FULL DESCRIPTION BEFORE SUBMITTING AN ENTRY. Absolutely NO graphics ...AI - this is the most important! All AI files automatically rejected. Name: Kichton Consulting About the business - this is a consulting company that handles 2 different types of work: 1) Gas/energy engineering consulting; AND 2) Medical billing consulting. We want to incorporate elements of both of these practises into the logo design. It should play on both the engineering and the medical billing aspects of the company. Colours to be used: Blue (primary) - feel free to introduce secondary/tertiary complementary colours. ALL LOGOS MUST INCORPORATE BOTH OF THESE ELEMENTS: Engineering and Medical Billing. Please combine both of these into the logo design. If you have questions, ask bef...
...supplementary cementitious material in concrete. You are expected to: - Focus specifically on the usage of recycled aggregate, wash water, and supplementary cementitious materials. - Organize the table by highlight category, not by article title or publication date. - Source information strictly from academic journals. The ideal candidate for this project should have: - A strong background in engineering or building materials. - Excellent research and data compilation skills. - An understanding of academic sources and how to extract key information. - Experience creating detailed and organized summary tables. a table that provides impotent highlight of the articles of each section, so it will a good contribution for comparison. The table(s) should include info about the mixe...
...creating detailed blueprints and schematics. Your foremost responsibilities would involve planning a simple industrial building design that accommodate warehouse-specific needs. knowledge of California plan requirements. Key Tasks: - Design Industrial Warehouses - Create Blueprints and Schematics Given the nature of this job, candidates are expected to have proficient skills in: - Industrial engineering design - Architectural drafting - Knowledge and experience with warehouse designs Please note, more specific features of the warehouse design will be discussed as we progress with the project. High-level knowledge and experience in this specific field will be largely beneficial for the success of this project. Your input and suggestions will be taken into account, aiming to ...
I am seeking a skilled professional specialized in installation and optimization of nginx on Linux servers. Depth...seeking a skilled professional specialized in installation and optimization of nginx on Linux servers. Depth of knowledge in the following areas is highly valued: - nginx installation and setup - nginx configuration, particularly focusing on performance enhancement Beyond this, I require expertise in certain specific nginx configurations, which include: - Load balancing - SSL (Secure Sockets Layer) - Reverse proxy Suitable freelancers should have a proven track record of working with nginx in a Linux environment and demonstrate an understanding of the listed specific configurations. Ideally, you will be ready to troubleshoot any issues we may come across du...
...existing website. • Adhere to project timelines. • Create security and data protection settings that are compliance with PDPA policy. Job Responsibilities for Web Designer: • Take ownership of design projects. • Design page layouts and templates. • Produce design assets for use in social media and marketing channels. • Develop and maintain consistent branding. • Collaborate with UX, marketing, engineering, and other teams. • Utilize data and analytics in making design decisions. • Work with front-end web developers to deploy designs. • Select and prepare imagery. • Create and maintain a database of design assets. Web Designer Qualifications/Skills: • Proven understanding of graphic design fundamentals • Demonstrat...
I am seeking an expert PCB designer experienced in EasyEDA for a prototyping project. Since the specific components haven't yet been decided, your expertise in prototyping and experience in working with a range of electronic components will be essential. The project timeline is flexible, and thoroughness and quality are more important than speed. Ideal Skills for this Job: - Familiarity with EasyEDA for PCB Design - Proficient in creating prototypes - Knowledgeable about a range of electronic components (Microcontrollers, Operational Amplifiers, RF Modules, etc.). - Excellent communication skills to provide updates and ask clarification questions
My band plays pop music and we're currently in need of a skilled audio engineer who can design live sound management for our performances. We will lean on your expertise to provide wi...sound equipment and best practices for live music performance. Key responsibilities: - Accurate setup instructions for audio equipment. - Instructions for live mixing during performances to balance and enhance sound. - Troubleshooting and resolving any sound issues that may arise during performances. Ideal skills & experience: - Extensive experience with live sound engineering. - Familiarity with pop music and its sound engineering nuances. - Solid understanding of audio equipment and signal flow. We appreciate an Audio Engineer who understands our genre and can command our curren...
My goal is to create a full-page color advert promoting our engineering company's software tool that has seen significant success across Australasia. This advert should emphasize the tool's key features and numerous benefits, such as: - Improved efficiency and productivity - Enhanced accuracy and reliability - Cost savings and competitive advantages I'm looking for freelancers with a solid background in advert design and an understanding of the software industry. A strong grasp of how to effectively promote digital products or services is critical. Your portfolio demonstrating previous similar projects would be highly beneficial.
I'm in search of a talented graphic designer, ideally with a knack for modern, minimalistic designs, to update our current logo. We are an electrical engineering company. Key Deliverables: - A sophisticated yet straightforward logo revamp. - The final design should incorporate blue, white, and black color scheme. Ideal Candidate: - Proven experience in logo design, preferably with a portfolio showcasing work in a modern and minimalistic style. - Must be able to work with feedback and provide a couple of revisions until we achieve the desired result. - Understanding of branding and ability to translate our brand's essence to a visual identity. Get ready to flex your minimalist design muscles and help breathe fresh life into our logo.
I need a skilled and experienced PCB designer who will focus specifically on product development for consumer electronics. This project involves a moderate level of complexity as it requires a standard multilayer PCB. The tasks expected to be conducted are as follows: - Mainly taking up PCB design tasks and associated BOM - Partial involvement in circuit design An ideal freelancer would have prior experience working with PCB designs in the consumer electronics field. Expediency, precision and a keen eye for detail are vital as the developed prototype will directly contribute to a physical product. The project is a signal converter and i can attach a video of its funtion. Due to my limited software i need to add 2 more ICs: A voltage regulator and a bandpass fil...
I'm currently in pursuit of a skilled Electrical Engineer with a hallmark in Mixed-Signal Circuit Design. The primary task at hand will be to assist in finalizing the design specifications of a M...partially completed. Key roles will include - Reviewing my current circuit design - Advancing the existing specifications - Finalizing the Mixed-Signal Circuit Design -I need some calculation that my project is success - Actual measurement The perfect candidate will possess the following skills and experiences: - Extensive experience in Mixed-Signal Circuit Design - Mastery in Electrical Engineering - Proven track record in assisting with design specification finalization - Astute attention to detail Your counsel and execution in this project will be of great value to its ul...
**No agencies This is a growth opportunity where you can improve on your craft while contribute to the scaling of the company. We're open to your ideas and design patterns so we can blend them with our own and make a better product. You'll be working with our Product Engineering team of 5 (Tech Lead, 3 Full Stack Developers, QA) and get to see the impact of your code commits to the customers. Video Instructions (we're remote, but do have video-on real-time meetings) Record a 2-3 minute video answering the following questions: Describe a Web App project you've been a part of: * What was the business goals did it achieve? * What would you do differently? Copy a sharable link into the cover letter. If you don't have a preferred video tool then use or h...
I am seeking a proficient electronics engineer or similar professional to design and develop a simple but re...amplify signals. We need to present a 5.1K GND to one of two GPIO pins on an MCU depending on the state of sensor output that throws a 5V high/low output on one single line Key Project Details: - The circuit should be designed to operate at low power levels to minimize power dissipation. - The preferred material for the transistor is Silicon. Ideal Skills and Experience: - Electronics engineering - Transistor theory - Circuit design and analysis - Experience working with silicon transistors and low voltage systems Your bid will be more competitive if you can provide examples of prior experience designing and building similar silicon-based low voltage transistor micr...
I'm seeking an accomplished AI engineer with profound experience in generative AI, specifically text-to-image conversion. The targeted task involves three key levels: 1. Development: You'll be responsible for creating a generative AI model...to achieve optimal text-to-image conversion. 3. Integration: The final phase includes incorporating the trained AI model into an existing customer experience tool. The primary objective behind this project is to enhance our customer experience tool by autonomously generating personalized recommendations using the AI model. The ideal candidate should possess a strong background in AI engineering, generative AI models, model training, and integration into enterprise tools. An understanding of customer experience tools would ...
My project involves designing a rigid metal dryer vent duct of 50 feet maximum length. The design must account for efficient airflow, fire safety, and city approval requirements. Optimiz...Optimizing the duct to fit within the space provided is a crucial task. Ideal candidates will have experience with ductwork design, fire safety protocols, and city code requirements for HVAC systems. Expert knowledge about airflow optimization and rigid metal material is desired. There are 2 vent ducts and 2 separate dryer vent booster fans installed on 4" ducting. I need the design to have engineering approval to supply to the city inspector. I will need an engineer with a stamp or some form of verification for the state of California that the City building department will accept to sign of...
I am looking for a professional with substantial experience in hardware engineering and embedded system design especially involving ARM based platforms. The core requirement of this project is development of an Advanced ARM industrial control host with: - Eight-communication ports, to adequately cater to my demanding industrial applications - Industrial-grade durability, capable of withstanding harsh industrial conditions without compromising efficiency or functionality. You'll need outstanding knowledge about: - ARM hardware architecture - Real Time Operating Systems (RTOS) - Industrial-grade hardware design. Knowledge about communication protocols in factory automation systems and industrial durability standards will be a plus in executing this task. Your design a...
I'm seeking a professional with expertise in both materials engineering and machine learning to work on a unique project. The primary objective is to utilize machine learning to enhance the properties of undetermined materials—details to be discussed upon initiation. Desirable candidate skills and experience: - Robust knowledge and experience in the domain of materials engineering - A proven track record in developing and implementing machine learning algorithms - Exceptional problem-solving abilities and innovative thinking. Project timeline is negotiable as deadlines weren't specified. Your proposal should include your relevant experience and how you intend to approach this assignment. Please also include any examples of similar projects you have complete...
...for Freelance 3D Modeling Specialist Are you a skilled freelance 3D modeling specialist with expertise in transforming 2D engineering drawings into immersive 3D visual models? If so, we have an exciting opportunity for you to collaborate with us on an innovative project. About Us: We are a dynamic company at the forefront of technological innovation, specializing in engineering design and visualization. Our team is dedicated to pushing the boundaries of what's possible, leveraging cutting-edge tools and techniques to bring concepts to life in vivid detail. The Project: We are currently embarking on a project that requires the conversion of intricate 2D engineering drawings into highly realistic 3D visual models. These models will serve as crucial assets fo...
I need to develop a module project using Rockchip's RV1126. The SOM module must include: 1GB or 2GB DDR4 RAM, Power supply chip, EMMC, Processor. All I/Os should be accessible through a connector, which will be attached to the test board....ESP32 and Raspberry Pi, with 2 MIPI CSI camera inputs, Ethernet connection, Wifi connection via SDIO, Audio (microphone input), Audio (speaker output, PAM8403), 1 MIPI DSI display, 1 RGB Display connector. Adding to the previous specifications, the project must be delivered using Altium software. Payment will be split into stages, corresponding to the following phases of development: schematic, PCB, and, after manufacturing, testing of the entire system. This payment structure aims to ensure the quality and completion of each crucial phase ...
