date:Nov 04, 2019
onment. While looking for an idea for the contest, Ph??c noticed female students eating mixed rice paper which looked like plastic bags. He wondered if rice paper could be used as plastic bags.
Ph??c and Tr?ng began their practice with corn and cassava starch but they did not have success. Then they discovered that starch extracted from potatoes could be used to make biodegradable bags. Potato starch is mixed with water and glycerin in a formula to create a mixture.
The students boil the