Ключевые слова: blue, blueprint, building, building helmet, closeup, collection, construction, construction drawing, construction plan, engineering drawing, equipment, flat, grey background, grey surface, hard hat, heap, house improvement, industrial, maintenance, manual work, nobody, occupation, physical work, pile, protective workwear, repairing, roll, rolled, rolled up, safety helmet, safety workwear, set, stack, studio shot, yellow,