R 408.12755 Planing, molding, sticking, and matching machines.

Rule 2755. (1) Each planing, molding, sticking, and matching machine shall have all cutting heads and saws covered by a metal guard. If the guard is constructed of sheet metal, the material used shall be not less than 14 gauge in thickness or the equivalent. If cast iron is used, it shall be not less than 3/16 inch in thickness. It is not required that the hoods retain a thrown or broken knife. (2) If an exhaust system is used, the guards shall form part or all of the exhaust hood and shall be constructed of metal of a thickness not less than that specified in subrule (1) of this rule.