a heap of the top covers with displays of broken mobile phones

analysis back background board boards box broken cabinet chip circuit closeup component computer concept connection construction cover covers digital displays electric electrical electricity electronic engineering equipment fmodulesor hands handssoldering hardware heap industrial industry machine mastercard masters metal microchip microscop microscope mobile modern modules motherboard object office phone phones processor removed repair repairing repairman science screen screwdriver service smartphone soldering steel system tech technology theof tool toolbox top touch watch work wrench