Iyi mashini ikoresha sisitemu ya hydraulic, ihamye kandi yizewe, ubuso bw'ibicuruzwa byaciwe neza burabagirana kandi burasukuye, ingano ni imwe, irasukuye, kandi imikorere yayo iri hejuru; hari amaso y'amashanyarazi ibumoso n'iburyo, ari na byo byiza gukoresha; urubuga rwo gupakira rushobora guhindurwa mbere na nyuma y'ibumoso n'iburyo muri rusange, ibyo bikaba byoroshye gukoresha.