Ключевые слова: active seniors, adult, adults only, architect, blueprint, business, business finance and industry, business meeting, color image, communication, construction industry, construction site, construction worker, cooperation, copy space, development, engineer, engineering, expertise, factory, females, happiness, hardhat, headwear, horizontal, industry, inspector, males, manager, manufacturing, meeting, men, occupation, occupational safety and health, people, plan document, planning, protective workwear, safety, senior adult, success, teamwork, technician, technology, togetherness, two people, white people, working, young adult,