Q: Is doing demo bad for your health?
I know that when you do demo you're supposed to wear a mask. But, even with a mask, it seems to me that there are a lot of particles in the air. Some of these particles are from places where moisture or whatever may have been sealed for years and years. Clearly, those particles are still there when you take that mask off. Should I be worried about my health and my family's health when we do demo in our house? Thanks.
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