Research1 02. Plastic and Bio Plastic Today we are going to learn about plastic! Everyone, what comes to mind first when you think of plastic? In fact, plastic is so diverse and used in our lives that we can't think of just one. However, I don't think plastic is environmentally friendly in terms of its production process or being thrown away. So, recently, research on 'bio plastic', a material that can replace plastic, is being cond.. 2021. 2. 4. 이전 1 다음