Iminyango yomlilo yizingxenye zomlilo ezinokumelana okuthile nomlilo, njengezingxenye zomlilo, izitebhisi zokuphuma, imishayo eqondile, njll. Iminyango yomlilo isetshenziselwa ngokukhethekile ukuhlukanisa imithombo yomlilo ekwakhiweni kwezindlu, futhi idlala indima enkulu emsebenzini wokuvikela umlilo. Uma kwenzeka umlilo, abantu bangasebenzisa izicabha zomlilo ukuze bathole amathuba okubaleka.