Ключевые слова: blue, check, construction, control, diligent, electrical, energy, engineering, environment, equipment, evening, factory, focus, force, gear, hand, heavy, illumination, industrial, industry, inspection, integrity, laboratory, light, machinery, maintenance, manufacturing, mechanical, mechanics, night, operational, operations, orange, process, production, professional, quality, repair, safety, settings, shift, site, skilled, technical, technician, technology, tones, tools, work, worker, worksite,