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What is the third type of safeguard in addition to fixed guards and interlocking guards?

  1. Emergency stops

  2. Automatic guards

  3. Manual guards

  4. Lockout/tagout systems

The correct answer is: Automatic guards

The third type of safeguard, in addition to fixed guards and interlocking guards, is automatic guards. Automatic guards refer to safety devices that automatically extend or retract to protect workers from hazards during machine operation. They function without the need for manual intervention, ensuring that the safety measures are consistently in place whenever the machine is active. This automatic operation helps to reduce the likelihood of human error, enhancing safety in operational environments. While emergency stops provide a means to quickly halt machinery in case of an emergency, they do not serve as a safeguard during normal operation. Manual guards, which require human action to position, also do not provide the same level of continuous protection as automatic guards. Lockout/tagout systems are essential for maintaining safety during maintenance and servicing, but similar to emergency stops, they are not designed to be used as everyday safeguards while machines are in operation. Automatic guards, therefore, are crucial in ensuring a high level of safety without interrupting workflow.