Ключевые слова: abstract, architecture, background, banner, builder, building, business, city, concept, construction, crane, design, development, drawing, dump, engineer, engineering, environment, equipment, estate, excavator, flat, graphic, header, house, housing, icon, illustration, industry, line, linear, machine, modern, real, set, sign, site, skyscraper, symbol, technical, technology, thin, tool, tower, truck, urban, web, work, worker,