Ключевые слова: abstract, blueprint, cross, design, diagram, drafter, draftsman, drawing, engineer, engineering, focus, glitter, graph, graphic, grid, industry, light, line, linear, machinery, mathematics, millimeter, office, optic, paper, pencil, plan, plotting, print, protractor, reading, reading glass, round, selective, sketch, square, technic, technical, technology, tool, transparent,