I kēia manawa, ʻoi aku ka nui o ka ʻoihana i nā koi e pili ana i ka hoʻopili ʻana o ka paipu PVC, ua hoʻohana nui ʻia no nā noi ʻoihana, hana, electroplating, photofinishing (hoʻopau māmā), noiʻi ʻepekema (laboratory), noiʻi biological, pharmaceutical a ...
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