Log wheels, sleds or wagons used for hauling shall be constructed of sound, straight-grained wood and shall show a factor of safety of six, under maximum dead weight loading.
34 Pa. Code § 45.23
Log wheels, sleds or wagons used for hauling shall be constructed of sound, straight-grained wood and shall show a factor of safety of six, under maximum dead weight loading.
34 Pa. Code § 45.23