Ключевые слова: adult, asphalt, blue, brick, building, cars, construction, energy, engineer, equipment, field, fix, green, hard, hat, heavy, helmet, high, improvement, industrial, industry, job, machine, machinery, maintenance, male, men, mobile, occupation, orange, pavement, people, power, professional, red, repair, road, safety, steel, street, technology, tool, traffic, transportation, truck, vehicle, white, work, worker, yellow,