Galasi ndi amorphous inorganic non-metallic material.Nthawi zambiri amapangidwa ndi mchere wamitundumitundu (monga mchenga wa quartz, borax, boric acid, barite, barium carbonate, laimu, feldspar, phulusa la soda, etc.) monga zopangira zazikulu, ndi zida zochepa zothandizira. zikuwonjezedwa....
Werengani zambiri