Fuafuaina ma gaosia e le BAOD EXTRUSION, o lenei laina gaosiga ua mamanuina e faʻapipiʻi ai se tasi pe sili atu laulau o PVC, PE, PP poʻo le ABS faʻataʻamilo i paipa uʻamea masani, paipa uʻamea, paipa alumini / pa, ma isi. insulation vevela, anti-corrosion ma pisinisi tau taavale.