shift (stand up to 5 hrs., walk up to 5 hrs.), frequently (bend/stoop/twist, squat, balance), occasionally (crawl/kneel, climb, reach above shoulder level, reach below knee level, work with arm outstretched, work above chest level, torque, push/pull). Required to have visual acuity to perform an activity such as: transcribing; viewing a computer terminal; using measurement devices; and performing mechanical or skilled trade tasks of a non-repetitive nature such as carpenter, technicians, service people, plumbers, painters, mechanics, etc.