Ключевые слова: adult, business, businessman, caucasian, cement, cheerful, concept, concrete, confident, connection, coworker, engine, engineering, expression, gear, handsome, human, idea, industrial, industry, job, leadership, machine, machinery, male, man, manager, mechanical, mechanism, motivation, people, planning, professional, solution, success, successful, symbol, team, teamwork, textured, wall, wheel, work, worker,