Iphampu yomlilo emile ehlanzekile yenziwe ngezingxenye zekhwalithi ephezulu nensimbi engagqwali, ehlala isikhathi eside futhi ephephile. Iphampu yomlilo eqondile inomfutho ophezulu kanye nekhanda eliphezulu, okuthuthukisa kakhulu ukusebenza kahle kwezinhlelo zokuvikela umlilo. Futhi amaphampu omlilo aqondile asetshenziswa kakhulu ezinhlelweni zokuvikela umlilo, ukwelashwa kwamanzi, ukuchelela, njll.