M'malo a pulasitiki extrusion, kuwala nthawi zambiri kumagwera pa extruder palokha, workhorse amene amasintha zopangira mu mitundu yosiyanasiyana ya mankhwala. Komabe, kuseri kwa ziwonetsero, gulu la zida zothandizira zimagwira ntchito yofunika kwambiri pakuwonetsetsa kuti pakhale zopanga bwino, zogwira mtima, komanso zapamwamba ...
Werengani zambiri