Maintain specifications by observing drilling, grooving, and cutting, including turning, facing, knurling andthread chasing operations; taking measurements; detecting malfunctions; troubleshooting processes; adjustingcontrols; and replacing worn tools. Required to stand, walk or sit; use hands to finger, handle or feel objects, tools or controls; reach with hands and arms; climb stairs; balance; stoop, kneel, crouch or crawl; talk or hear; taste or smell.