Ключевые слова: adult, architects, architectural, architecture, bearded, blueprint, brick wall, builders, business, businessman, caucasian, checkered, communication, connection, construction site, constructors, design, development, digital device, digital tablet, european, formal wear, gadget, handsome, helmets, hold, indoors, mature, men, middle aged, paper, plaid, plan, profession, professional occupation, project, selective focus, technical, three people, uniform, use, walkie talkie, wireless, work,