Ключевые слова: abstract, architecture, art, background, build, building, business, cargo, collection, concept, construction, crane, design, development, element, engineering, equipment, flat, graphic, heavy, hook, house, icon, icons, illustration, industrial, industry, isolated, lift, lifting, machine, machinery, metal, object, service, set, sign, silhouette, steel, symbol, technology, tool, transport, transportation, truck, vehicle, web, white, work,