Kwa chipatala cha PVc Dyc Callrail , aliyense ali ndi nkhawa zosiyanasiyana za izi, ndipo zomwe timachita zofunikira za kasitomala aliyense, motero mtundu wa ndikukulitsa makasitomala ambiri ndipo adalandira mbiri yabwino m'maiko ambiri. Chipatala cha Mecankid PVC chanjala ndi magwiridwe antchito & njira zothandizira & mtengo wampikisano, kuti mumve zambiri pachipatala pvc dyrail , chonde khalani omasuka kulumikizana nafe.