Ключевые слова: african, architect, asian, black, builder, building, business people, communication, concept, connect, construction, construction workers, constructor, contractor, creativity, employees, engineer, group, hardhat, housing, icon, icons, ideas, industrial, internet, job, manual workers, meeting, men, multiethnic, network, online, people, professional, project, real estate, renovation, repair, repairman, safety, safety helmet, service, sharing, team, teamwork, technology, together, work, yellow,