Izinto ezisetshenziselwa ukwenza ingilazi zihlanganisa cishe u-70% wesihlabathi kanye nengxube ethile ye-soda ash, i-limestone nezinye izinto zemvelo - kuye ngokuthi yiziphi izakhiwo ezifiswayo ku-batch.Lapho kukhiqizwa ingilazi ye-soda lime, ingilazi echotshoziwe, egaywe kabusha, noma i-cullet, kuwukhiye owengeziwe ...
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