I-1, i-Ingredients Izinto eziphambili zeengqayi zeglasi ziyiglasi ehlaziyiweyo, i-limestone, i-soda ash, isanti ye-silica, i-borax kunye ne-dolomite.I-2, Ukunyibilika Wonke umxube webhetshi yeglasi yondliwa kwiziko kwaye ifudunyezwe kwi-1550-1600 degrees de inyibilike.Iziko lisebenza iiyure ezingama-24 ngosuku, iintsuku ezisixhenxe ngeveki.Isithando somlilo esinye ...
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