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Hard water refers to the presence of dissolved ions, mainly of calcium Ca2+ and magnesium Mg2+ which are acquired through contact with rocks such as limestone and dolomite which contain calcium and ma ...
Veremos el proceso de fabricación del vidrio, sus propiedades, uso, impactos ambientales, métodos y consejos para su reciclaje. 'A teaching resource showing the manufacturing process of glass, its pro ...
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