Amapayipi angenamthungo enziwa ngezikhala zamashubhu zokucaciswa okuhlukahlukene ngokusebenzisa i-extrusion ephezulu yokushisa, ukupholisa, i-annealing, ukuqedela nezinye izinqubo. Ingenye yezinhlobo ezine ezinkulu zensimbi yokwakha ezweni lami. Isetshenziswa kakhulu ukuthutha uketshezi olunjengamanzi, uwoyela, i-g yemvelo...
Funda kabanzi