Ключевые слова: angle, architecture, blue, building, bunch, business, cloud, construction, crane, earth, engineering, equipment, excavation, ferrous, girder, heap, heat, heavy, industrial, industry, iron, job, machine, material, metal, metallurgy, new, outdoor, outside, pile, plant, plate, retaining, river, rock, rough, rust, sheet, sky, steel, structure, technology, transport, transportation, walls, warehouse, work,