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Gypsum - An Overview

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The Ease with which gypsum loses and regains its water of crystallization also makes it ideally fitted to sculpture and casts. Gypsum has many purposes in art and pottery, but is usually used in medicine as casts for broken bones or as dental molds for producing artificial enamel. Its all https://www.propanraya.com/id/produk/eco-gypsum-ee-4050
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