Me ka hoʻohana nui ʻana o ka paipu PVC (polyvinyl chloride) i ke kūkulu ʻana, ka mahiʻai, ka ʻoihana kemika a me nā ʻano ʻē aʻe, ke ulu nei ka noi no nā lako hana hoʻoheheʻe PVC. I kēia mau lā, ua hānau ʻia kahi ʻano mea hana i kapa ʻia ka mīkini ʻoki paipu PVC pūnaewele, kahi ...
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