He kūpono no ka hōʻailona circumferential a semi-circular o nā mea cylindrical me nā anawaena liʻiliʻi ʻaʻole maʻalahi ke kū.Hoʻohana nui ʻia i nā mea hoʻonaninani, nā meaʻai, nā lāʻau lapaʻau, nā kemika, nā mea kākau, nā lako uila, nā mea pāʻani, nā plastics a me nā ʻoihana ʻē aʻe.E like me: lipstick, ʻōmole wai waha, ʻōmole lāʻau liʻiliʻi, ampoule, ʻōmole syringe, pahu hōʻike, pākaukau, koko, peni, etc.