Fire alarms; gas alarms; anti-theft warning apparatus; electric door openers; optical apparatus and instruments, namely, cameras, monitoring cameras, and security cameras; measuring or testing machines and instruments, namely, thermometers or apparatus for testing gas, liquids and solids; power distribution or control machines and apparatus, namely, electrical power distribution units; batteries and electrical cells; electric or magnetic meters and testers, namely, circuit testers; telecommunication devices and apparatus, namely, telephones, mobile phones, wireless phones, television apparatus for use with telephone systems, and digital cameras for use with telephone systems; electronic switching sensors for detecting the opening or closing of doors and windows; electronic motion and pressure detectors for doors and windows; smoke sensors; computer network routers; Door phones in the nature of intercoms; intercoms; electrical sockets and outlets; electrical plug devices enabling connection and disconnection of power and/or control cables; electrical sockets and outlets for use in the field of communications; electrical plug devices enabling connection and disconnection of communication cables; electrical sockets and outlets for home networking; electrical plug devices enabling connection and disconnection of power and/or control cables in the field of home networking; electrical socket and outlets for electric power lines and communications cables; electrical plug devices enabling connection and disconnection of power and/or communication control cables; modules and interfaces for electric power line communications, namely, modems and computer hardware for transmission of communications data over electric power lines; devices for electric power line communications, namely, adapters for electric power line communications; cordless telephone apparatus; network cameras; radio transponders; adapters for television connection; video telephone apparatus; remote control monitoring apparatus, namely, remotely controlled video cameras for monitoring purpose; telecontrol devices, namely, radio transmitters and receivers for remote controls; local area network devices, namely, computer network hubs, switches and routers for local area networks

Electric power distribution work, namely, installation of electrical and generating machinery; operation, inspection or maintenance of building equipment, namely, maintenance of building construction machines and apparatus; repair or maintenance of automobiles; repair or maintenance of fire alarms; repair or maintenance of air-conditioners; repair or maintenance of telephone apparatus; repair of radio receivers or television sets; repair or maintenance of telecommunication machines and apparatus, namely, telephones, mobile phones, wireless phones, television apparatus for use with telephone systems, and digital cameras for use with telephone systems, computer network routers, door phones in the nature of intercoms, intercoms, electrical sockets and outlets for use in the field of communications, electrical plug devices enabling connection and disconnection of communication cables, electrical sockets and outlets for home networking, electrical plug devices enabling connection and disconnection of power and/or control cables in the field of home networking, electrical socket and outlets for electric power lines and communications cables, electrical plug devices enabling connection and disconnection of power and/or communication control cables, modules and interfaces for electric power line communications, namely, modems and computer hardware for transmission of communications data over electric power lines, devices for electric power line communications, namely, adapters for electric power line communications, cordless telephone apparatus, network cameras, radio transponders, adapters for television connection, video telephone apparatus, remote control monitoring apparatus, namely, remotely controlled video cameras for monitoring purpose, telecontrol devices, namely, radio transmitters and receivers for remote controls, local area network devices, namely, computer network hubs, switches and routers for local area networks, not including telephone apparatus, radio receivers and television sets; repair or maintenance of electronic building equipment and apparatus, namely, fire alarms, anti-theft warning apparatus, electric door openers, optical apparatus and instruments, namely, monitoring cameras, and security cameras, measuring or testing machines and instruments, namely, thermometers or apparatus for testing gas, liquids and solids, power distribution or control machines and apparatus, namely, electrical power distribution units, electronic switching sensors for detecting the opening or closing of doors and windows, electronic motion and pressure detectors for doors and windows, smoke sensors, electrical sockets and outlets, electrical plug devices enabling connection and disconnection of power and/or control cables; repair or maintenance of batteries and electrical cells, electric or magnetic meters and testers, namely, circuit testers, lighting, air conditioners; repair or maintenance of consumer electric appliances and apparatus, namely, fire alarms, anti-theft warning apparatus, electric door openers, optical apparatus and instruments, namely cameras, monitoring cameras, and security cameras, measuring or testing machines and instruments, namely, thermometers or apparatus for testing gas, liquids and solids, power distribution or control machines and apparatus, namely, electrical power distribution units, batteries and electrical cells, electric or magnetic meters and testers, namely circuit testers, telecommunication devices and apparatus, namely telephones, mobile phones, wireless phones, television apparatus for use with telephone systems, and digital cameras for use with telephone systems, electronic switching sensors for detecting the opening or closing of doors and windows, electronic motion and pressure detectors for doors and windows, smoke sensors, computer network routers, door phones in the nature of intercoms, intercoms, electrical sockets and outlets, electrical plug devices enabling connection and disconnection of power and/or control cables, electrical sockets and outlets for use in the field of communications, electrical plug devices enabling connection and disconnection of communication cables, electrical sockets and outlets for home networking, electrical plug devices enabling connection and disconnection of power and/or control cables in the field of home networking, electrical socket and outlets for electric power lines and communications cables, electrical plug devices enabling connection and disconnection of power and/or communication control cables, modules and interfaces for electric power line communications, namely, modems and computer hardware for transmission of communications data over electric power lines, devices for electric power line communications, namely, adapters for electric power line communications, cordless telephone apparatus, network cameras, radio transponders, adapters for television connection, video telephone apparatus, remote control monitoring apparatus, namely, remotely controlled video cameras for monitoring purpose, telecontrol devices, namely, radio transmitters and receivers for remote controls, local area network devices, namely, computer network hubs, switches and routers for local area networks; repair or maintenance of electric lighting apparatus; repair or maintenance of power distribution or control machines and apparatus; repair or maintenance of gasoline station equipment; setup or repair of locks; repair or maintenance of gas water heaters; repair or maintenance of cooking heaters; repair or maintenance of bathtubs and the like; repair of bidets and/or toilets, or toilets with water squirting washers; cleaning of bathtubs

Telecommunication services other than broadcasting, namely, telecommunications by computer terminal, telecommunications by mobile-phone, telecommunications by e-mail; rental of telephone sets, facsimile machines and other telecommunication equipment