Mashandisirwo ayo anotangira pamafirimu esimbi anogona kushandiswa uye firimu relamination kusvika pakurongedza chikafu, twist wrap, uye mafirimu ekupakata machira, kusanganisira firimu repamusoro rekusimbisa, firimu re stationary, uye rinoshanda sechikamu chikuru mufirimu re co-extrusion.