So I want to do a Research and Development as a requirement for my graduation. Im confused whether I should design a main materials or supplementary materials (since the schools has its own materials from some books)? What are the disadvantages and advantages of both? give me suggestions please. 😊

I wish I could give you some suggestions, but of course I know nothing about your school or schools nor what materials your school(s) may use. So I can hardly speak of the advantages and disadvantages of designing new materials versus creating supplementary ones. All I can do is wish you success with your research and development project and I hope it meets the requirement for your graduation.

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