A machine __________ is a device that is designed to keep the operator clear of dangerous machine parts.

A machine __________ is a device that is designed to keep the operator clear of dangerous machine parts.

• A. Guard
• B. Shield
• C. Enclosure
• D. Switch

Answer: (A)

Guard is the term used for a physical barrier that prevents access to the dangerous parts of a machine, keeping the operator from coming into contact with moving components, pinch points, or other hazards. Guards are a fundamental part of safeguarding because they create a clear and reliable separation between the operator and the danger zone. They can be fixed in place, movable, or interlocked so that opening the guard stops the machine, reinforcing safer work habits and reducing the chance of injury. A shield might offer protection from flying debris but isn’t the standard term for the protective barrier that keeps the operator out of contact with the hazard. An enclosure surrounds the whole or a large part of the machine to isolate it, which is related but not the specific barrier designed to prevent access in the same way a guard does. A switch controls power to the machine and does not by itself keep the operator clear of dangerous parts.

Guard is the term used for a physical barrier that prevents access to the dangerous parts of a machine, keeping the operator from coming into contact with moving components, pinch points, or other hazards. Guards are a fundamental part of safeguarding because they create a clear and reliable separation between the operator and the danger zone. They can be fixed in place, movable, or interlocked so that opening the guard stops the machine, reinforcing safer work habits and reducing the chance of injury. A shield might offer protection from flying debris but isn’t the standard term for the protective barrier that keeps the operator out of contact with the hazard. An enclosure surrounds the whole or a large part of the machine to isolate it, which is related but not the specific barrier designed to prevent access in the same way a guard does. A switch controls power to the machine and does not by itself keep the operator clear of dangerous parts.