printed circuit boards, connector termials, testing devices and oscillograph in manufacturing laboratories. lens flare added

abundance board braze capacitor charge circuit circuitry componentry contact current design development device diod dip electric electricity electronic electronics fitting flare flat flux green greenish greeny instrument integrated low many modern mount mounting pcb pin plate plenty potentiometer printed production profile relay research resistor smd socket solder soldered surface technological technology throughhole thyristor transistor unit voltage