Plastics extrusion ndi njira yopangira zinthu zambiri momwe pulasitiki yaiwisi imasungunuka ndikupangidwa kukhala mbiri yopitilira. Extrusion imapanga zinthu monga chitoliro/machubu, kutchingira nyengo, mipanda, njanji za sitimayo, mafelemu a zenera, mafilimu apulasitiki ndi ma sheeting, zokutira za thermoplastic, ndi mawaya...
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