ʻO ka ʻāpana ʻāpala lele ʻo Kina: E like me ka hoʻolālā, ka pilina a me ka hoʻohui waiwai
ʻO ka valve Butterfly he mea hoʻohana maʻamau ka hoʻokele wai, hoʻohana nui ʻia e ʻoki a hoʻoponopono i ka wai i loko o ka pipeline. E like me ke ʻano, ke ʻano pili a me nā mea like ʻole, hiki ke hoʻokaʻawale ʻia ka valve butterfly Kina i nā ʻano he nui. E hōʻike ʻia kēia ʻatikala mai kahi ʻano ʻoihana, ʻo nā ʻano o nā valve butterfly Kina e hōʻike kikoʻī ʻia.