7 ERGONOMIC LIFTING MACHINES FOR INDUSTRIAL / COMMERCIAL USES: HYDRAULIC LIFT TABLES, MOBILE LIFT TABLES, SCISSOR LIFT TABLES, PALLET POSITIONERS, SCISSOR PALLET JACKS, MOBILE HANDLING, PORTABLE SCISSOR LIFTS, AND SKID LIFTS AND PALLET TRUCKS, POWER OPERATED LIFTS FOR SERVICING LAND VEHICLES AND MATERIAL HANDLING EQUIPMENT, NAMELY, STATIONARY, PORTABLE AND PIT MOUNTED AUTOMATIC PALLET/LOAD POSITIONERS AND LOADING DOCKS; PALLET JACKS; ELECTRIC SKID LIFTS; PORTABLE TILTERS; PORTABLE AND STATIONARY SCISSOR LIFT TABLES; TILT TABLES AND UPENDERS; TURNTABLES; HYDRAULIC LOAD POSITIONERS; MESSANINE LIFTS; AND RELATED CONVEYORS.