What do safeguarding devices do to protect the worker? (Select 3)
A) Detects operator contact with the machines point of operation

B) Prevents operator contact with the machines point of operation

C) Stops hazardous action if a workers body part comes to close

D) Acts as a barrier between the worker and the machine.

(A) Detects operator contact with the machines point of operation

(C) Stops hazardous action if a workers body part comes too close

(D) Acts as a barrier between the worker and the machine.

Explanation:

(A) Detects operator contact with the machines point of operation: This is a necessary point for the Safeguarding device because when it will detect it can make sure that whatever the person is working on, is safe or not. Therefore the safeguarding device should be detecting operator's contact but not interrupting unnecessarily.

(C) Stops hazardous action if a workers body part comes too close: Safeguarding device must protect the worker body part from that comes too close to any harmful or hazardous machines, like a safeguarding device should prevent the operator from going too close to the crusher machine as it can lead to injuries.

(D) Acts as a barrier between the worker and the machine: The safeguarding device should be acting as a barrier between the operator and the machine as it will prevent any injuries to the operator. The device should not be preventing the worker to work but should act a protective shield between the machines and the operator.

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