Ключевые слова: 40s, asphalt, builder, building, building contractor, caucasian, construction, digger, digging, drill, drilling, earth mover, equipment, forties, hard hat, industry, jackhammer, machine, machinery, male, man, men, one person, operating, operator, people, person, plant, pneumatic drill, reflective vest, repair, road, safety equipment, skill, street, vertical, worker, working,