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Last Indexed: 02/14/17 04:35:41
Last Post: 04/27/17 13:45:37
So what EXACTLY happens when you add the plaster to the water...? (topic)
So where do we get the source material for our casts?The main sources of calcium sulfate are naturally occurring gypsum and anhydrite which occur at many locations worldwide as evaporites. These may be extracted by open-cast quarrying or...
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