Mining machine operators frequently:

• Use their hands to handle, control, or feel objects, tools, or controls.
• Repeat the same movements.
• Stand for long periods of time.
• Bend or twist their body.

It is important for mining machine operators to be able to:

• Make quick, precise adjustments to machine controls.
• Hold the arm and hand in one position or hold the hand steady while moving the arm.
• Move two or more limbs together (for example, two arms, two legs, or one leg and one arm) while remaining in place.
• React quickly using hands, fingers, or feet.
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• Adjust body movements or equipment controls to keep pace with speed changes of moving objects.
• See details of objects that are less than a few feet away.
• Determine the distance between objects.
• Hear sounds and recognize the difference between them.
• See details of objects that are more than a few feet away.
• Use one or two hands to grasp, move, or assemble objects.
• Use stomach and lower back muscles to support the body for long periods without getting tired.
• Bend, stretch, twist, or reach out.
• Choose quickly and correctly among various movements when responding to different signals.
• Use muscles to lift, push, pull, or carry heavy objects.
• See differences between colors, shades, and brightness.
• Focus on one source of sound and ignore others.
• Use fingers to grasp, move, or assemble very small objects.

It is not as important, but still necessary, for mining machine operators to be able to:

• Understand the speech of another person.
• Speak clearly so listeners can understand.
• Be physically active for long periods without getting tired or out of breath.
• Use muscles for extended periods without getting tired.
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• Coordinate movement of several parts of the body, such as arms and legs, while the body is moving.
• See objects in very low light.
• Determine from which direction a sound came.
• See objects in very bright or glaring light.
• While looking forward, see objects or movements that are off to the side.
• Make fast, repeated movements of fingers, hands, and wrists.
• Move arms and legs quickly.
• Keep or regain the body's balance or stay upright when in an unstable position.