See details of objects that are less than a few feet away, hold the arm and hand in one position or hold the hand steady while moving the arm, make quick, precise adjustments to machine controls, use fingers or hands to grasp, move, or assemble objects, move two or more limbs together (for example, two arms, two legs, or one leg and one arm) while remaining in place, speak clearly so listeners can understand, understand the speech of another person, use stomach and lower back muscles to support the body for long periods without getting tired. Physical Demands: Use hands to control objects, tools, or controls, stand or sit for long periods of time, repeat the same movements, on feet for long periods of time, bend or twist body.