Mechanical drawings have been used ____.
A) since the 1900's
B) for years
C) for decades
D) for centuries

Name: Mechanical drawings have been used ____. A) since the 1900's B) for years C) for decades D) for centuries
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Question

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Mechanical drawings have been used for centuries, dating back to the invention of the printing press in the 15th century which allowed for the mass production of technical drawings.

Mechanical Drawings Have Been Used ____