ʻO ka extrusion plastik, e like me ka UPVC (rigid polyvinyl chloride) profiles a i ʻole nā huahana paipu, i hana nui ʻia ma o ka hui ʻana, ka hoʻoili ʻana i ka extrusion, ka hoʻoulu ʻana, ka huki ʻana, a me ka ʻoki ʻana i ka resin PVC a me nā mea hoʻohui pili.ʻO nā kumu e pili ana i ka hana o nā huahana uhi e...
Heluhelu hou aku