(Leah Hogsten | The Salt Lake Tribune) Sarcos Robotics senior mechanical engineer Chris Hirschi demonstrates the dexterity of the Sarcos’ Guardian GT, that can cut, grind, clean and join as well as turn valves, push buttons and reposition objects. The Sarcos Guardian GT can be powered by batteries, diesel, or natural gas to lift and manipulate payloads up to 1,000 pounds. It can be tele-operated from miles away.