Lifting apparatus, namely, lifting work platforms, mechanical railed lifting conveyors, lifting jacks other than hand-operated; handling machines, namely, cargo handling machines, material handling machines in the nature of palletizers, offshore rig pipe-handling machinery; automatic manipulators, namely, cargo handling machines, manipulators for forging presses, earth moving machines; industrial robots; derricks; machines in the nature of elevators; passenger lift operating apparatus being p...