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Mechanical drawing is a discipline that uses drawings to accurately represent the structure, size, working principle and technical requirements of machinery.

Drawings are composed of graphics, symbols, text, and numbers. They are technical documents that express design intent, manufacturing requirements, and exchange experience. They are often referred to as the language of engineering circles.

In 1799, French scholar Monge published the work “Descriptive Geometry”. Since then, the figures in the mechanical drawings have been drawn strictly in accordance with the projection theory of descriptive geometry.

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