Explosives workers frequently:

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

It is important for explosives workers to be able to:

• Use one or two hands to grasp, move, or assemble objects.
• 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.
• Use fingers to grasp, move, or assemble very small objects.
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• 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.
• Make quick, precise adjustments to machine controls.
• See differences between colors, shades, and brightness.
• Determine the distance between objects.
• Speak clearly so listeners can understand.
• Understand the speech of another person.
• See details of objects that are more than a few feet away.
• Bend, stretch, twist, or reach out.
• Hear sounds and recognize the difference between them.
• Use muscles to lift, push, pull, or carry heavy objects.
• Use stomach and lower back muscles to support the body for long periods without getting tired.

It is not as important, but still necessary, for explosives workers to be able to:

• Focus on one source of sound and ignore others.
• Adjust body movements or equipment controls to keep pace with speed changes of moving objects.
• Choose quickly and correctly among various movements when responding to different signals.
• Use muscles for extended periods without getting tired.
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• Be physically active for long periods without getting tired or out of breath.
• Move arms and legs quickly.
• Coordinate movement of several parts of the body, such as arms and legs, while the body is moving.
• Keep or regain the body's balance or stay upright when in an unstable position.
• See objects in very bright or glaring light.
• Determine from which direction a sound came.
• See objects in very low light.
• While looking forward, see objects or movements that are off to the side.