Isicelo :
Inxalenye yenutzikrwelwe kunye nebholithi okanye isikrufu sokuqinisa, into eyimfuneko kubo bonke oomatshini bokuvelisa.Umsesane wokuphakamisanutsisixhobo esiqhele ukusetyenziswa kubunjineli.Amantongomane ane-screw, ngokweenkcazo zayo ezahlukeneyo, ukugaya, kulungiswe nge-screw.
Umgangatho Wokuqala, Ukhuseleko luqinisekisiwe