Ukushisa kuqalakusho inqubo yokushisa ama-weld kuyo yonke noma ezindaweni zokushisela ngaphambi kokushisela. Izinto ezinhle kakhulu zokushisela izinga lamandla aphezulu, ukuthambekela kokuqina kwensimbi, ukushintshwa okushisayo, ukushisela okukhudlwana, futhi lapho izinga lokushisa elizungezile liphansi kakhulu, indawo yokushisela ngokuvamile idinga ukuthi izinqe zifudumale ngaphambi kokushisela.

Inhloso yokushisa kuqala ukunciphisa isivinini sokupholisa amalunga ashiselwe kanye nokushisa kwangaphambi kokushisa. Kungabonakala etafuleni, ukufudumala kunganciphisa izinga lokupholisa, kodwa akuzange kuthonye isikhathi sokuhlala ekushiseni okuphezulu, okufiseleka kakhulu. Ngakho lapho insimbi yokushisela ngokuthambekela kokuqina, ukunciphisa izinga lokupholisa kunciphisa ukuthambekela kokuqina kwezinyathelo eziyinhloko zenqubo, ukufudumala, kunokwandisa okokufaka kwamandla.