li>Ability to perform a wide range of physical activities under varying weather conditions and perform heavy manual labor tasks including the ability to stand for long periods of time and exert up to 50 pounds of force repeatedly throughout the day, as well as 100 pounds of force occasionally. Performs shop or warehouse duties such as general auto maintenance and repairs, drill rig maintenance and repair, grinding and helping with welding and cutting metal, cleaning, and washing trucks and drill rig equipment.