Ключевые слова: adult, alone, blonde, builder, building, caucasian, cellphone, cellular, computer, concrete, construction, constructor, contractor, engineer, eyeglasses, female, forewoman, hard, hat, helmet, knees, lady, laptop, manager, mobile, one, outdoors, outside, person, phone, protective, reflective, safety, site, sitting, smartphone, staircase, stairs, steps, supervisor, top, using, vest, view, waistcoat, woman, worker, young,