Ключевые слова: advertising, architect, architecture, background, builder, building, business, career, civil, collaboration, concept, concrete, construction, contractor, corporate, crane, dawn, design, development, double, double exposure, effect, efficiency, employee, engineer, engineering, equipment, exposure, future, hard hat, helmet, industrial, industry, male, man, manager, men at work, occupation, person, professional, safety, scaffolding, site, steel, teamwork, technology, work,