Physical Hazards-Close proximity to moving parts and electrical currents, working off elevated lifts and high places, exposure to natural gas, high heat, hot surfaces, molten metal, chemicals, oils and lubricants. Essential Physical Activities - Must be comfortable with heights and able to climb, balance, stoop, crawl, reach, walk, push, pull, lift, carry, finger, grasp, feel, hear, talk to communicate, and make repetitive motions.