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Dr. Md Rushad Rahman
এমবিবিএস(আরপিএমসি)
,
পিজিটি(মেডিসিন)
The functional length of a torque wrench is the distance from the center of the square drive at the head to the center of the handle or grip, and varies depending on the range of torque the wrench is designed for. The overall physical length will be a little longer and is not necessarily relevant to the function.
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