Njira yathu yogwirira ntchito imayamba ndi kumvetsetsa momwe kasitomala amagwiritsira ntchito, momwe amagwirira ntchito, komanso zovuta zomwe amapanga. Kutengera ndi izi, timalimbikitsa mayankho oyenera a PVC stabilizer, kupereka zitsanzo kuti zitsimikizidwe, ndikusintha mapangidwe malinga ndi ndemanga. Pambuyo potsimikizira malonda ndi kuyika oda, timatsimikiza kuti kupanga kukhazikika, kuwongolera bwino khalidwe, kutumiza kodalirika, komanso chithandizo chaukadaulo chopitilira, kupereka yankho la PVC stabilizer lokhazikika lomwe lili ndi magwiridwe antchito apamwamba komanso otsika mtengo.