Mwatsatanetsatane zitsulo chitoliro ndi mtundu wa mkulu mwatsatanetsatane zitsulo chitoliro chuma pambuyo chojambula ozizira kapena anagubuduza otentha. Chifukwa cha ubwino wosanjikiza wa oksidi pamakoma amkati ndi akunja a chitoliro chachitsulo cholimba, palibe kutayikira komwe kumapanikizika kwambiri, mwatsatanetsatane, kumaliza kwambiri, osasunthika panthawi yozizira, osakulitsa, kugonja komanso kusakhazikika, imagwiritsidwa ntchito kwambiri kupanga pneumatic kapena hayidiroliki zigawo zikuluzikulu, monga yamphamvu mpweya kapena yamphamvu mafuta, sipangakhale kosatayana chitoliro kapena chitoliro welded.