Operation of equipment/tools/vehicles; uses (1-1/2 to 3 ton capacity) pipe threading machines, pipe bender, Oakey bevelers, positioners, grinders, drill motors/presses, portaband, Sawzall, tape measure, cutting torch, overhead crane, lift truck, hand power tools including chain fall, porta power, compressed gas tank and wire feeders. Talking, Hearing, Vision, Near Acuity (clarity of vision at 20 inches or less), Far Acuity (clarity of vision at 20 feet of more), Depth Perception (three-dimensional vision to judge distance/ spatial relationships), Color Vision (if required to distinguish colors for job performance or safety), Field of Vision (if required to observe a large field of vision while keeping eye fixed on a given point for job performance or safety), and Smell.