Ключевые слова: adult, architect, architecture, blueprint, builder, building, business, businessman, civil, concept, construction, contractor, design, designer, development, drawing, energy, engineer, engineering, equipment, foreman, green, hard hat, helmet, house, industrial, industry, job, male, man, manager, meeting, men at work, occupation, office, paper, plan, professional, project, safety, site, table, teamwork, technology, woman, work, working, workplace, young,