Ключевые слова: assembly, board, card, chip, circuit, closeup, component, connecting, connection, detail, digital, diode, electrical, electronic, engineering, equipment, flow, hardware, horizontal, industrial, integrated, led, macro, magnification, manufacturing, micro, nobody, optical coupler, optocoupler, optron, parts, photocoupler, pincers, relay, repair, science, semiconductor, service, system, tech, technical, technology, tool, tweezers, work, workflow,