Daily build up from inhaling any dust or debris can't be good for you, regardless of the material. I would make sure to have some sort of vaccum system that sucks the debris away as soon as it is made..
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16-17 mph,350 rpm,PAP 5 1/2 x 3/8up, HighGame 300 x 3, High Series 782
Book Average 205,PBA Xperience ave180