Ключевые слова: abstract, apartment, architect, architecture, background, black, blue, blueprint, building, business, circle, compass, construction, contractor, development, document, drafting, drawings, engineer, engineering, estate, expansion, glass, growth, hand, helmet, improvement, industry, loupe, magnifier, magnifying, manual, metal, new, pen, pencil, people, plan, planning, real, residential, ruler, safety, set, site, square, straightedge, structure, tool, white, work, worker,