resistor on industrial printed circuit board

iron machine electronics gadget yellow wheel vehicle lighting electronic components circuit board industrial device fosuced resistor resistance circuit-board 47-ohm electric-electronic-engineer ohm electronic-industry capacitance engineering-background capacitor inside- -device electronic-igniter carbon-resistors transistor electronic-components power-electronics analog-circuit technical-service workshop repairing lab background transformer dc-electric ac-current industrial-part regulator semiconductor cable power-supply black testing-lab connector motherboard carbon switch technology equipment socket voltage industry vintage old rusty maintenance printed industrial-background background electronic-background