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from chuvansang0408@gmail.com

to cvs111@gmail.com

Hey Sang,

I hope you're doing well! I’m studying electrical engineering at Hanoi university of Industry, and it’s been great so far. I’ve learned a lot of useful skills, like cutting tools design, which help me improve both in my studies and personally.

University offers many opportunities, such as joining clubs, internships, and meeting new people. However, balancing my studies with personal life has been a challenge. I deal with this by making a clear study schedule and sticking to deadlines.

What I enjoy most about university is the chance to explore new ideas and perspectives and the freedom to shape my own learning.

Talk to you soon!

Best,
SangSang

https://youtube.com/shorts/4D9-_S68UdQ?feature=share

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From chuvansang0408@gmail.com

To HJB2025@gmail.com

Dear HJB Company,

I hope you are doing well. I would like to order 2 CNC milling machines (Model: 200 MC 6453, No 67398) that I saw on your website. The total cost is $50,489.

We need the machines to cut flat metal surfaces and improve our process speed. Please deliver the machines by November 8. Payment will be made in cash upon delivery.

Please confirm the order and let me know if you need any more details.

Thank you for your help.

Best regards,
Sang
CVS Company

https://youtube.com/shorts/SPIiq-Q8FcI?feature=share

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After checking the measurements, the shaft does not meet the design requirements. The design length is 50 ± 0.25 mm (allowed range: 49.75 to 50.25 mm), but the actual length is 50.40 mm, which is too long. The required diameter is 6 ± 0.004 mm (range: 5.996 to 6.004 mm), but the actual size is 6.015 mm, which is too big. The hole depth is 10.12 mm, which is within the allowed 9.75 - 10.25 mm range. Since both the length and diameter are out of tolerance, the shaft is rejected.

https://youtube.com/shorts/TqpF5cKP_K8?feature=share

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There are two main types of engineering materials: metals and non-metals. Metals are divided into ferrous metals (such as cast iron and steel) and non-ferrous metals (such as copper, aluminum, and bronze). Non-metals include ceramics and plastics. Plastics are further divided into thermoplastics (which can be melted and reshaped) and thermosets (which cannot be melted again after shaping). Each type of material has different properties and uses. For example, steel is strong and is used in construction, while plastic is lightweight and commonly used in household products.

https://www.youtube.com/shorts/TqpF5cKP_K8

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https://youtube.com/shorts/p6nv-Ujee34?feature=share

Subject: Design Work Progress

Dear CVS,

I want to tell you about the design work. We have finished the first step: making the early drawings and sketches. Now, we are doing the feasibility study. This will take the rest of the week. After that, we need to make the full and final designs. These must be ready by the end of the month so we can show them to the client in the meeting. Please let me know if you have any questions.

Best regards,

Sang

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My robot is called “Hexabot.” It has a hexagon shape and six strong legs, so it can move on many types of ground. It is about 1 meter tall and weighs 15 kilograms. Hexabot has a camera, sensors, and a robot arm. The camera helps it see and find things. The sensors help it know where things are and check the temperature or distance. The robot arm can pick up and move objects. Hexabot can go to places that are hard to walk and do easy jobs at home. It can also help in rescue missions. It uses a battery that works for 8 hours. The price of Hexabot is around 2,500 dollars.

https://youtube.com/shorts/p6nv-Ujee34?feature=share

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https://youtube.com/shorts/8eDfLfMlhmU?feature=share

Last year, I had a problem with a machine at school. I was using a 3D printer to make a model for my class project. In the middle of the job, the printer stopped working. I saw an error message on the screen. I found out that the plastic (filament) was stuck because the printer was dirty. I cleaned the nozzle with some tools and tried again. This time, the printer worked, and I finished my model before the deadline. I felt happy and proud because I solved the problem by myself. It was a little hard, but I learned how to fix it and felt more confident.

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My ideal job in the future is to be a software developer. In this job, I will write code, fix problems, and work with a team to make computer programs. I need a university degree in computer science and must know how to use programming languages like Python and Java. To do this job well, I need to be careful, hard-working, and good at solving problems. I should also be able to work with others and learn new things. I hope to get good benefits like flexible working hours, a good salary, and bonuses. I also want to have chances to learn more and grow in my job.

https://youtube.com/shorts/TSq6Zh1ytOo?feature=share