Ushicilelo olupheleleyo lweoyile yehydraulic oluzenzekelayo lushicilelo lwe-oyile oluncinci olulunge kakhulu ekusebenzeni, isivuno esihle kakhulu, kunye neendawo ezincinci zokutshintsha.Umatshini omnye kuphela wokucofa ioyile yehydraulic, onokufumana ioyile engcono kwaye kulula ukuyisebenzisa.