Ключевые слова: 3d illustration, architecture, background, bag, binder, brick, brown, builder, building, business, cement, chemical, chemistry, concrete, construction, detailed, dust, engineering, equipment, estate, group, heavy, industrial, industry, laborer, masonry, material, merchandise, package, packet, packing, paper, pile, powder, product, project, recycling, retail, sack, sand, sign, site, store, substance, symbol, wall, warehouse, weight, work,