Noun
the craft of drawing blueprints
scale drawing of a machine or architectural plan etc,
Source: WordNetIt offered courses in areas such as mechanical drawing, applied mathematics, steam engines, simple surgery, and English grammar. Source: Internet
Eliot 2006, p. 31. A shy child, Stewart spent much of his after-school time in the basement working on model airplanes, mechanical drawing and chemistry—all with a dream of going into aviation. Source: Internet