Ключевые слова: architect, architecture, blueprint, builder, building, business, civil, collection, concrete, construction, contractor, crane, design, engineer, engineering, equipment, estate, factory, gear, graphic, helmet, home, house, icon, illustration, industrial, industry, isolated, line, machinery, maintenance, manufacturing, outline, pictogram, plan, process, professional, project, real, road, safety, set, sign, symbol, technician, thin, tool, tools, worker,