PPR welding machine

I le galu o le lalolagi o le fausiaina o le suavai ma le faaleleia o alavai, PPR (polypropylene copolymer fa'afuase'i) o paipa ma mea faʻapipiʻi o loʻo sui ai paipa uʻamea masani ma le fua faatatau o le tuputupu aʻe o maketi faaletausaga o le 17.3%.…