Artificial fibers

It is a human being made by changing the state or state of materials and objects. These fibers are stretched and boiled and used in two species: (ba-s) A-fibers re-made by humans, such as viscous, trits, which each has the root of cellulose.b- artificial fibers or heterotics derived from oil derivatives and has its own types, including polytherapists and 2-1- Hopes