Ulayini ngokuvamile uqukethe inombolo yemishini ehlukene, okuhlanganisa umshini wamabhamuza, ikhathoni, kanye nesibhali. Umshini wamabhamuza usetshenziselwa ukwakha amaphakethe amabhamuza, ikhathoni isetshenziselwa ukupakisha amaphakethe amabhamuza emakhathoni, futhi ilebula isetshenziselwa ukufaka amalebula emakhathoni.