I also learn ie. . The paper suggests writing on a small scale, and it is best to find an internship unit and find a topic to write at the production site. My graduation thesis at that time was about the design and simulation of packaging cell production line. . You can choose a basic industrial engineering method to improve production line, facility planning, process improvement, etc. . It is best to have something to say, not too extensive, with theoretical support and practical cases to prove it.