electric rope hoists, electric chain hoists, mechanical chain-blocks, and lever blocks. Including Ancillary rope hoists, electric chain hoists, air hoists, mechanical chain-blocks, lever hoists, shackles, slings rope hoists, electric chain hoists, air hoists, mechanical chain-blocks, lever hoists, shackles, slings OHSA Modifications to upgrade electrical and mechanical units. Rigging, dismantling and moving of machinery