Chophimba chachitsulo chotenthamankhwala amapangidwa kuchokera ku slabs (makamaka kuponya mosalekeza ma billets) monga zopangira, zomwe zimatenthedwa ndikuzipanga mizere ndi mayunitsi ogudubuza ndi mayunitsi omaliza.Chitsulo chotentha chochokera ku mphero yomaliza cha mphero yomaliza chimakhazikika mpaka kutentha kwakhazikitsidwa ndi kayendedwe ka laminar ndikukulungidwa muzitsulo zazitsulo ndi coiler.