PVC kapena polyvinyl chloride board imayimira zinthu zomangira zomwe zimapangidwa popanga polima network pakati pa PVC ndi polyurea.Imakhala ndi maubwino angapo, monga kusinthasintha kowonjezereka, kutsika mtengo, kusinthika kwamphamvu, kukana mankhwala, chinyezi ndi moto, ndi zina ...
Werengani zambiri