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Tiki Central / Other Crafts / Wendy Cevola - The repaired mug goes to La Mariana on Oahu

Post #564803 by GROG on Fri, Nov 12, 2010 8:08 PM

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GROG posted on Fri, Nov 12, 2010 8:08 PM

When you mix plaster you should wear an air mask. Plaster is activated by adding water, and it hardens by a catalyst, which is why it gets hot as it hardens. If you breathe in the plaster dust it can get in your lungs, harden, and cause breathing problems.