Ключевые слова: background, beam, blots, bright, classic, closeup, color, colored, colorful, communication, component, confusion, connect, connection, copper, diode, diodes, dots, electrician, electronic, electronics, emitting, energy, equipment, glow, gray, grey, indicator, lamp, led, leds, light, light emitting diode, make, material, metal, modern, object, orange, part, point, relationship, semiconductors, silver, skill, small, system, white, yellow,