12. Spandex: Fibre synthique, ni ukuvuga intangiriro yibikoresho, ifite ibiranga kuramba cyane, elastique nyinshi, hamwe na aside irwanya neza, kurwanya alkali, kurwanya urumuri, no kurwanya abrasion. 13. Polypropilene: Polypropilene ni izina rifite ibiranga Ubushinwa. Mubyukuri, bigomba ...
Soma byinshi