In this video explains the differences between thermosetting, thermosoftening and partially biodegradable plastics, and how they can be recycled. We throw away a lot of plastic and most is non-biodegradable. It can be recycled using mechanical and chemical methods. Scientists are now making biodegradable plastic. They add non-oils to monomer chains like sugar, silk, even bamboo.

ที่มา :  http://www.harmonouniversa.org/npci

ลิงค์ : http://youtu.be/Vja57dUb8ps

อัพโหลดโดย : Twig World