12. Spandex: Fiber roba, wato, firam ɗin core, yana da halaye na haɓakar haɓakawa, haɓakar haɓaka, kuma mafi kyawun juriya na acid, juriya na alkali, juriya mai haske, da juriya na abrasion. 13. Polypropylene: Polypropylene suna ne da ke da halayen Sinawa. A gaskiya, ya kamata ...
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