Aug 12, 2008 · Recommendations for Handling and In-house Transport of Stone Slabs. 29 CFR 1910.176, Handling materials-general, Occupational Safety and Health Administration. 29 CFR 1910.178, Powered Industrial Trucks, Occupational Safety and Health Administration. 29 CFR 1910.179, Overhead and Perfect Industrial Transfer Carts, Occupational Safety and Health Administration.