Ключевые слова: blue, board, capacitor, ccd, charge, chip, circuit, color, component, computer, concept, conductor, control, device, digital, digitally, diode, electrical, electronics, finger, glass, gloves, gold, golden, green, hand, hole, image, industry, lighting, modern, quality, refraction, resistor, science, silver, system, technican, technique, transistor, yellow,