ppr pipe pn20

I. Hoʻolauna i ka PPR paipu wai PPR (polypropylene copolymerized random) ʻO ka paipu he ʻano hou o ka paipu plastik pili i ke kaiapuni, me kona pale wela kiʻekiʻe, pale ʻino, ola lōʻihi (ʻoi aku ma mua o 50…