smartphone cameras; touch screens for smartphones; battery charge devices; electrical sockets; plug adapters; holders for mobile telephones; protective films adapted for smartphone screens; protective films adapted for cell phone screens; protective films adapted for computer screens; protective films adapted for screens for tablet computers; protective films adapted for tablet computer screens; antennas; covers for laptop computers; covers for tablet computers; covers for smartphones; protective cases for smartphones; programmable logic controllers; telephone receivers; horns for loudspeakers; USB cables for mobile phones; touch sensitive electronic screens; battery chargers for cell phones; chargers for smartphones; wireless battery chargers; electric coils; holders for electric coils; electrical batteries; electrical adapters