Mohala oa rona oa extrusion o na le boleng bo botle le meralo ea profil ea pvc e fapaneng. Hobane bareki ba profil ea pvc ba batla ho hlahisa tse fapaneng, kahoo hlobo ea line ea extrusion e fapane. Haholo ho latela boholo ba profil ea pvc kapa lits'oants'o, re tla khetha mofuta oa extruder, bolelele ba tafole ea ho lekanya, motlakase oa mochini oa ho hula le mokhoa oa seha.