Ключевые слова: background, box, building, business, button, cancel, color, communication, concept, construction, control, cut, design, electric, electrical, emergency, energy, equipment, icon, industrial, industry, isolation, key, local, lock, log out, machine, message, number, object, open, out, password, plant, power, professional, protection, red, safe, safely, safety, secure, security, sign, steel, switch, symbol, tag, tag out, technology,