Ingilazi iyi-amorphous inorganic non-metallic material, ngokuvamile eyenziwa ngamaminerali ahlukahlukene angaphili (njenge-quartz sand, borax, boric acid, barite, barium carbonate, limestone, feldspar, soda ash, njll.) njengento eyinhloko eluhlaza, kanye nenani elincane lezinto zokusetshenziswa eziwusizo zengezwe.kwe.Ngi...
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