Ключевые слова: airplane, alternative, cell, checklist, clean, clipboard, colleague, collector, concentration, construction, coworker, customer, discussion, eco, ecological, ecology, economy, electric, electrical, electricity, energy, engine, engineer, engineering, environment, environmental, equipment, examining, expertise, females, flying, generator, green, guidance, indoors, industrial, industry, innovation, innovative, inspector, learning, light, maintenance, male, males, man, manager, manufacturing, mechanic, men, mid adult, modern, nature, occupation, one person, owner, panel, panels, person, photocell, photovoltaic, plant, power, protection, renewable, repairman, safety, science, security, service, showing, skill, solar, standing, station, sun, sunlight, sunny, supply, sustainability, sustainable, tail, teaching, teamwork, technician, technology, togetherness, touching, transportation, turbine, two people, uniform, wind, women, worker, working, young adult,