Ключевые слова: advertising, architect, area, attractive, break, builder, caucasian, concept, concerned, construction, constructor, contractor, copyspace, cutout, employee, end, engineer, equipment, gesture, half, hands, hardhat, helmet, industry, interrupt, job, maintenance, male, man, no, occupation, pause, person, profession, professional, protection, road, safety, service, sign, stop, symbol, time, timeout, uniform, work, worker, workman, worried, young,