long electronic printed circuit board on hand in blue glove on a black background

abstract assembly background black blue board capacitor chip circuit closeup component connection connector copper design detail development device diode disassembled display dust electrical electronic electrotechnical electrotechnology element engineer engineering equipment gel glove glue green hand hole industry integrated isolated layer layout lcd maintenance micro microchip mount panel panoramic part pcb person printed protection repair repairman resistor science screen service signal silicone smd smt specialist surface tech technical technician technology television transmission zener