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Ruler actual size image

3.55 298

Image Accuracy = 71 %


Width: 50 (mm), 1.97 (in)

Ruler actual size image

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A ruler, sometimes called a rule or line gauge, is an instrument used in geometry, technical drawing, printing and engineering/building to measure distances and/or to rule straight lines. Strictly speaking, the ruler is essentially a straightedge used to rule lines, but typically the ruler also contains calibrated lines to measure distances.


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