Umsebenzi we-valve yokulawula uwoyela wemoto ukulungisa ingcindezi kawoyela nokuvimbela ingcindezi kawoyela wepompo kawoyela ukuba ingabi phezulu kakhulu. Ngesikhathi sejubane elikhulu, ukutholakala kukawoyela wepompo kawoyela kusobala ukuthi kukhulu, futhi ingcindezi kawoyela nayo iphakeme kakhulu, ngalesi sikhathi, kuyadingeka ukungenelela ekulungiseni. Ukushisa uwoyela kuzokwenza uwoyela ovuthayo ubangele ukuthi inzwa ye-oxygen yemoto yonakale ngokushesha kakhulu; Ukushisa uwoyela kuzoholela ekusetshenzisweni kukaphethiloli okwandisiwe, ukukhishwa komoya ngokweqile, isivinini esingazinzile sokusebenza, kukhulise izingozi ezifihliwe zemoto, futhi kwandise umthwalo wezomnotho. Ukushisa uwoyela kuzoholela ekuqongeleleni okukhulu kwekhabhoni ekamelweni lokushisa injini, ukusheshisa okubuthakathaka, isivinini esisheshayo, ukuntuleka kwamandla kanye neminye imiphumela emibi.