The blank in the phrase is “The pantographs are measuring tools used to quickly enlarge or reduce drawing measurements”
We use the pantographs when we need to copy, reduce or enlarge drawings and maps achieving greater details. It is a mechanical device made of links that connect one arm of the pantograph to a pointer and the other section contains a drawing component. The scales are reduced or increased by adjusting the arms.
What is scale?
It is the relationship between the magnitudes of a drawing model and the actual dimensions of the object.
Learn more about scale at: brainly.com/question/23582291
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