Ubakaki osindayo osebenza kahle wokushisela kanye nezici zomkhiqizo eziphawulekayo, isakhiwo esiqinile, umthamo oqinile wokuthwala, ukuzivumelanisa nezimo ezihlukahlukene eziyinkimbinkimbi.Izinzuzo ezivelele zobuchwepheshe, ukusetshenziswa kobuchwepheshe be-welding obuphambili, ukuqinisekisa ikhwalithi yokushisela, ukuthuthukisa ukusebenza okuphelele komkhiqizo.