1. GlassGlass is an amorphous solid material. Glasses are typically brittle and optically transparent. The most familiar type of glass, used for centuries in windows and drinking vessels, is soda-lime glass, composed of about 75% silica (SiO2) plus Na2O, CaO, and several minor additives. Often, the term glass is used in a restricted sense to refer to this specific use.
Read “Glass” on English Wikipedia
Read “ガラス” on Japanese Wikipedia
Read “Glass” on DBpedia
Read “Glass” on English Wikipedia
Read “ガラス” on Japanese Wikipedia
Read “Glass” on DBpedia
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