Izinhlangothi ezingenhla nezingaphansi zebhande lokuhambisa zithonywa ngokuphelele futhi zizimele. Ngokuvamile, ukufana okunganele kwangaphansi kwama-idlers aphansi kanye nezinga lama-roller kuzodala ukuphambuka ohlangothini olungaphansi lwebhande lokuhambisa. Isimo esiseceleni esingezansi siphelelwa yisikhathi bese kuthi uhlangothi olungaphezulu lungejwayelekile ngenxa yensiza embi yokuhlanza, i-roller engezansi ibambeke ngezinto zokwakha, ama-rounterweight awafani, noma ukusekelwa okungekho emthethweni akwenzile komunye nomunye. Isimo esithile kufanele siguqulwe ngokuya ngesimo sangempela. Ngokuvamile, ukuphambuka okungaphansi kungalungiswa ngokwenza ngcono isimo sokusebenza sedivaysi yokuhlanza, ukususa i-roller kanye nezinto zokwakha ezinamathele ku-roller, noma ukufaka i-roller enobumba, noma ukufaka i-roller ehambisanayo.
Isikhathi Sokuposa: Meyi-10-2023