For centuries, gypsum has been used for plaster and pigments in the two constructing and decorating structures. Despite the fact that plaster may well are actually its most important use, Assyrians also sculpted the alabaster variety of enormous gypsum into ornaments and collectible figurines, although Greeks utilized transparent selenite gypsum https://www.propanraya.com/id/produk/eco-gypsum-ee-4050