253
Question
Which safety device is used in a screw gauge? What is its function?
Which safety device is used in a screw gauge? What is its function?
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Solution
The screw head is provided with a Ratchet arrangement (safety device) to prevent the user from exerting undue pressure.
The screw head is provided with a Ratchet arrangement (safety device) to prevent the user from exerting undue pressure.
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