Umhubhe omkhulu we-slot nengcindezi yengcindezi okusetshenziselwe ukuhlanganisa i-PVC ulwelwesi, i-PE ne-PP.
Isicelo: ububanzi be-slot umlomo kanye ne-roller roller esetshenziswa ndawonye ukuhlanganisa i-PVC ulwelwesi, i-PE ne-PP.