Umshini wokwenza isihlungi sikakotini othomathikhi: ukukhiqizwa okuzenzakalelayo kokuhlunga ukotini okuphezulu okuzenzakalelayo okuvela ezintweni ezingenayo, ukuphakela, ukuphrinta, ukushisela, ukusika, ukuphuma komkhiqizo oqediwe kanye nezinqubo eziphelele ziqedwa ngokuzenzakalelayo ngumshini, isisebenzi esisodwa singasebenzisa imishini engu-3-5 ngesikhathi esifanayo.