Ключевые слова: board, capacitor, card, chip, circuit, closeup, components, computer, conductor, connection, copper, device, digital, dirty, dust, electric, electrical, electronic, electronics, engineering, equipment, industry, integrated, metal, microchip, obsolete, old, part, power, printed, radio, resistor, resistors, retro, semiconductor, silicon, solder, technology, transistor, vintage, wire,