Kugwiritsa Ntchito Kwambiri: Monga mankhwala opangira mankhwala, mankhwala ophera tizilombo ndi utoto wapakatikati, komanso makampani opangira madzi.Mankhwala, amagwiritsidwa ntchito makamaka popanga mankhwala a shuga ndi mankhwala a sulfa.Angagwiritsidwenso ntchito kuchotsa mankhwala guanidine mchere, thiourea, nitrocellulose stabilizer, mphira vulcanization accelerator, zitsulo pamwamba hardener, kusindikiza ndi utoto kukonza wothandizila, zomatira, kupanga detergent, pawiri fetereza ndi decolorizing flocculant, etc.