Ключевые слова: adult, architect, architecture, asian, builder, business, civil, communication, concept, construction, container, contractor, control, corporate, engineer, engineering, equipment, foreman, handsome, hardhat, hat, helmet, industrial, industry, job, male, manager, occupation, optical, portrait, profession, professional, project, radio, safety, shipping, site, smiling, successful, sunrise, sunset, survey, talking, technology, uniform, urban, walkietalkie, work, worker, young,