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kiʻekiʻe-density polyethylene paipu paipu
Pehea e hiki ai i na paipu paipu HDPE ke hoololi hou i na lako wai o ke kulanakauhale?
Me ka wikiwiki o ka urbanization, Ua paʻakikī nā paipu metala kuʻuna a me nā paipu kuʻuna e hoʻokō i nā pono o ka lako wai hou ma muli o ka ʻino, leakage a me nā pilikia ʻē aʻe. Me kāna mea kū hoʻokahi…