Ключевые слова: background, block, board, bright, cable, capacitor, chip, circuit, complexity, component, components, computer, computers, computing, connection, design, digital, electrical, electricity, electronics, elements, engineering, equipment, factory, hardware, industry, integrated, internet, iron, kit, manufacturing, metal, metallic, microcircuits, objects, old, part, parts, pc, plates, plug, resistor, semiconductor, signals, steel, switch, technology, telecommunications, unhygienic, wire,