1. Bikwiriye kongerera ubushyuhe imigozi ya polyester, nylon na polyprolylene.
2. Bikwiriye plastike ya polypropylene, PVC ikomeye, ABS, EVA, polystyrene, polycarbonate, nibindi kugira ngo byere kandi bibe urumuri.
3. Bikoreshwa mu gupima polimeri rusange ya polyester na nylon.