Ключевые слова: adjustment, alternative, background, blue, business, cell, check, checklist, control, ecology, efficiency, electrical, electrician, electricity, energy, engineer, environment, equipment, error, expertise, generation, green, industry, innovation, international, life, maintenance, man, manual, measurement, monitor, operate, panel, people, performance, plant, power, preventive, problem, renewable, routine, service, setup, solar, sunny, system, technician, technology, voltage, worker,