7 machines, namely, mobile hydraulic equipment, and truck mounted insulated and non-insulated aerial device, namely, elevating work platforms for lifting people and equipment to work positions; motors, namely, combustion engine motors and engines, except for land vehicles; agricultural implements other than hand-operated, namely, incorporators; lifts, elevator lifts, aerial lifts; cranes, pedestal and vehicle mounted cranes; aerial work platforms elevating work platforms; load carrying apparatus and equipment, namely, mobile hydraulic equipment, namely, insulating and non-insulating aerial devices for personnel and material handling, namely, truck mounted insulated and non-insulated aerial devices elevating work platforms, digger derricks, and cranes for lifting people and equipment to work positions; cable reel lifters, cable handlers, aerial cable placers, namely, aerial cable cranes, jibs, winches, jacks, namely, hydraulic jacks; derricks, digger derricks; diggers, namely, earth moving machines, namely, excavators, pressure diggers; hydraulic leveling system composed of hydraulic hoses, a rotary valve, metal links and a metal housing that securely maintains the upright position of personnel platforms mounted on utility vehicle aerial lifts used in the construction, telecommunications and utility industries