Ключевые слова: accident, architect, background, builder, civil, construction, contractor, employee, engineer, engineering, equipment, foreman, gear, glove, hand, hard, hard hat, hardhat, hat, health, helmet, highway, holding, industrial, job, life, maintenance, male, man, occupation, person, personal, professional, protect, protection, protective, road, safe, safety, security, site, supervisor, surveyor, tool, wear, work, worker, workplace, yellow,