ʻO ka Valve kahi mea hoʻomalu i ka ʻōnaehana kaʻa pipeline, hiki ke hoʻohana ʻia e kāohi i ke kahe ʻana o ka ea, ka wai, ka mahu, nā ʻano media corrosive, ka lepo, ka aila, ka metala wai a me nā media radioactive. I ka ʻoihana lāʻau lapaʻau, ʻoi aku ka nui o ka hoʻohana ʻana i nā valves. No ka laʻana, i loko o ka pharmaceutical indus...
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