Chikwama chamadzi chosinthika chimapangidwa ndi nsalu yosinthika ya PVC, imakhala ndi ntchito yabwino kwambiri yoletsa madzi, ndipo imagwiritsidwa ntchito kwambiri m'mafakitale ambiri posungira madzi kapena zakumwa zina, monga kusonkhanitsa madzi amvula, kusunga madzi akumwa, kutsitsa thumba lamadzi loyesa mlatho, nsanja, ndi njanji, ndi zina zotero.
