Bona okuningi
Ama-elevator bolts afaka ikhanda elibanzi, eliphakeme, indawo engajulile yokuthwala, intamo eyisikwele, nentambo ehlanganisiwe. Zivame ukusetshenziswa ezinhlelweni zokuhambisa.
Kufanele ukwakheka kwensimbi, iphrofayili yensimbi, ipuleti elingezansi, ipuleti lokusekela, obakaki, isigxobo seshedi, iwindi, udonga lwamakhethini, umshini, i-girder, stringer, bakakaki, njll