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PVC sheet inogadzirwa sei?
Nzira yekugadzira pepa repurasitiki?Inosanganisirwa nhanho dzinotevera: calendering yakanyungudutswa epurasitiki zvinhu nemacalender mukunyungudusa epurasitiki firimu pepa neakafanotemerwa ukobvu, nekukurumidza kutonhora uye kuseta pepa repurasitiki rinonyunguduka nemvura inotonhora, kubvisa mvura kubva mupurasitiki yakatonhodzwa firimu, heati...Verenga zvimwe
