Iikiti zokuhluza i-oyile yentsimbi ziqhele ukusetyenziswa endaweni yokucoca ioyile kwiinjini zemoto. Le khithi idla ngokubandakanya i-wrench eyilwe ngokukodwa engasetyenziselwa ukukhulula kunye nokufakela i-oyile yokucoca. Izinto zentsimbi zenza i-wrench ibe yomelele kwaye yomelele ngokwaneleyo ukujamelana nenyaniso yokuba izihlungi zeoyile zihlala zifuna amandla athile ukujika. Ezi zixhobo zidla ngokuyilwa kakuhle ukuba zilingane ubukhulu obahlukeneyo kunye neentlobo zeoli yokucoca, ukwenza utshintsho lokucoca lube lula kwaye lukhawuleze.
Iimpawu zeekhithi zentsimbi zokucoca ioyile zibandakanya: