Yikreyini yokuphakamisa elula engasetyenziswa kunye ne-hoist yombane; ifanelekile kwimisebenzi yomgama omfutshane, rhoqo, kwaye enzima; kulula ukuyisebenzisa, igcina ixesha kunye nomgudu, kwaye ikhuselekile kwaye ithembekile; ubude be-cantilever kunye nokuphakama kwekholamu kunokwenziwa ngokwezifiso ngokweemeko zokusebenza ezahlukeneyo.














