Ключевые слова: african, architect, architecture, black man, build, builder, building, businesswoman, busy, career, communication, construction, construction worker, contemplating, contemplation, conversation, developer, development, discussion, employee, engineer, engineering, excavation, helmet, idea, inspection, instructions, job, maintenance, male, man, manager, mature, outdoor, people, person, planning, professional, project, radio, site, speaking, supervisor, talking, thinking, update, wireless, work, worker, working,