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Purpose Section

The purpose of this procedure is to provide general instructions for the calibration of reference bars.

Another Sample Section (Procedure)

A reference bar is a stack of precision gage blocks permanently wrung and fastened together. There are two sizes of gage blocks alternately used over the length of the bar. The two sizes are 0.3 inch and 0.7 inch with the 0.3-inch protruding beyond the 0.7-inch blocks.

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