Since they may also be used for erection tasks on the drilling rigs their cranes must have large out-reaches and lifting heights together with high lifting capacities.
Susela oko zinokusetyenziselwa ukumiswa kwemisetyenzana ekuqheliseni uku- xhobisa isikhephe, izilenge zazo mazibe nokufumana okukhulu kunye nokuphakamisa ubude ngokuphakamisa umbilini phezulu.