Why are freehand pictorial drawings used in industries, engineering, design, sales and other organizations?

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Many industries, engineering, design, sales, and other organizations use pictorial working drawings that are made freehand. In a great many cases, this method is preferred to instrument drawings. Technicians, engineers, and tradespersons frequently make sketches on the job. These sketches are used from exploring project ideas to the completion and revision stages of product development. The fact that no drawing instruments are required and sketches may be made quickly and on-the-spot makes freehand drawings practical.

Trades & Technology

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