Inclusions: Purely Natural gypsum crystals normally incorporate inclusions, which can be international minerals or components trapped within the crystal framework during development. Prevalent inclusions in gypsum is often clay minerals, iron oxides that trigger coloration, as well as tiny gasoline bubbles. Cement Production: Specific kinds of cement, especially Portland cement, https://www.propanraya.com/id/produk/eco-gypsum-ee-4050
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