The activities carried out within the framework of the practice of locksmithing, in particular, keying. The installation, maintenance and repair of mechanical or electronic locking devices. Installing or changing the combination of a safety deposit box. The development and management of master key systems, the keeping of a key codification register. The duplication of keys, the manufacture of keys other than the duplication from an existing key. Unlocking a building door, a piece of furniture or a safe other than by using a key or the method for this purpose. Advice on methods of protection against theft, intrusion or vandalism, in particular; through project development, offered independently of other private activities. more... See more text