O le CTSJ tasi-screw extruder na gaosia e le Center Machinery Company o loʻo faʻaauau pea ona tuʻuina ana lava mamanu faʻavae i luga o le faʻavae masani. O le tolutasi o le saoasaoa maualuga, maualuga le gaosiga ma le maualalo o le vevela o le plasticization e mautinoa ai le extrusion o oloa maualuga. O lenei faasologa o extruders e tasi-screw o loʻo i ai se mamanu fou ma faʻaaogaina le faʻaogaina o mea e faʻaogaina. E maualalo le leo faagaoioia ma mautu le faagaoioiga. E fa'aogaina mea maualuluga. O le sikulima ma le paelo e faʻafefeteina ma faʻafefeteina, lea e faʻateleina ai le ola tautua o meafaigaluega.
O loʻo faʻapipiʻiina le mamanu o le taulaga faʻasalalau faʻapitoa faʻatasi ma se masini vai malulu atoatoa, lea e tuʻufaʻatasia ma le ili mo le faʻamafanafanaina, ina ia mautu le vevela o mea mata, o le plasticization e mautu, ma le mea e faʻapipiʻiina i se saoasaoa tutusa.
O le faʻaogaina o le tagata-masini faigofie, tuʻufaʻatasia faʻatasi ma eletise eletise maualuga, e mafai ai e le au tekinisia ona faʻaogaina atili ma faʻatautaia meafaigaluega i soo se taimi ma malamalama i le tulaga o meafaigaluega.
O le faʻatulagaina o masini faʻapipiʻi maualuga e mafai ai e pisinisi ona faʻaitiitia le tau i itu uma, maua ni tupe maua sili atu, ma faʻateleina le atinaʻeina o pisinisi.