ʻO ka valve butterfly seal soft he kūpono ia no ka hoʻoponopono ʻana i ke kahe a me ka intercepting i ka mea ma luna o ka wai a me ka hoʻokaʻawale ʻana a me nā pipeline gas o ka meaʻai, lāʻau lapaʻau, ʻoihana kemika, ʻaila, mana uila, metallurgy, kūkulu kūlanakauhale, textile, hana pepa a pēlā aku. me ka mahana o ≤...
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