Khalase ke sesebelisoa sa amorphous inorganic non-metallic, hangata se entsoe ka mefuta e fapaneng ea liminerale tse sa sebetseng (joalo ka lehlabathe la quartz, borax, boric acid, barite, barium carbonate, limestone, feldspar, soda ash, joalo-joalo) joalo ka lisebelisoa tse ka sehloohong tse tala. 'me ho eketsoa palo e nyenyane ea lisebelisoa tse tala tse thusang.ea.Ke...
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