Izinga lokushisa eliphansi kanye ne-valve yomfutho ophezulu, ipayipi lokucindezela, ubunjiniyela boketshezi, okokusebenza kawoyela, okokusebenza kwenkundla kawoyela, ibhayisikili eligoqayo, imoto yezingane
1. Indawo ebushelelezi, umsebenzi omuhle kakhulu.
2. Ukunemba okuphezulu kwentambo, kungathuthukisa ikhwalithi yonke ye-workpiece.
3. Ukufakwa kuyashesha futhi kulula, futhi i-nut ehambisanayo isetshenziselwa ukuxhuma nokubopha.