Lihlahisoa
Li-cylindrical rolara li na le sebopeho se bonolo se nang le lirolara tsa tsona tsa cylindrical tse amanang le litselana tsa lebelo.Ba fana ka matla a phahameng a boima tlas'a meroalo ea radial haholo.Khohlano e tlase lipakeng tsa lirolara le likhopo tsa ring e etsa hore libere tsena li lokele ho potoloha ka lebelo le holimo.