Ключевые слова: accident, alarm, alert, alertness, attention, beware, blue, bright, bulb, close up, colorful, concept, control, danger, electrical, emergency, equipment, exhibition, flash, flasher, flashing, flashlight, hazard, illuminate, industrial, industry, lamp, law, legal, light, machinery, manufactoring, manufacturing, object, orange, rescue, safety, service, services, shiny, signal, strobe, support, symbol, system, transportation, warn, warning,