Uru: ike na nkụda mmụọ, elu ike ike, iguzogide organic solvents na acid na alkali corrosion, elu-okpomọkụ iguzogide.
Ọdịmma: nnukwu
E jiri ya tụnyere plastik ndị ọzọ, ihe PP dị oke ọnụ, ma ọ na-eguzogide ọgwụ dị iche iche nke kemịkal na okpomọkụ dị elu.Tụkwasị na nke ahụ, ihe nkwụsịtụ dị mma, na-eme ka nchebe nke akpa ahụ dịkwuo mma.