Uburebure bwiza bwa hydraulic bushobora guhinduka trolley itanga uburyo bwiza bwo gufata neza abarwayi kandi buraboneka muburebure butatu;bisanzwe, byabana kandi birebire.Trolley yo koga irashobora gukoreshwa mubikorwa byinshi bitandukanye nko kwiyuhagira, kwambara no gufata neza.