If your business includes cutting concrete or stone landscaping products, you may be exposing yourself or your employees to silica dust, a dangerous health threat. The Occupational Safety and Health Administration is considering new rules on silica exposure, and in the meantime Remodeling magazine reports on one way of minimizing exposure. Connecting a shop vacuum with an air-flow rate of at least 30 cubic feet per minute to a circular saw can remove 81% of potential dust from the air, according to the National Institute for Occupational Safety and Health. Use the link for a complete explanation of how this technique works. Read More