Ko te peere a Grab he rite ki etahi momo o te ringa kaitakaro. He kaha te koromatua e rite ana ki te tinana peere, ka tukuna te koromatua humarie I taua wa, ka tiakina te cybralic cybrodic e te taiapa hononga peere, ko te raru o te kohinga o te cylindy hydraulic e kore e tae mai ki te rapu i a koe.