Locksmithing began as the art of making and breaking locks. A locking device is a mechanism that secure buildings, rooms, closets, objects, or other storage stuff. A key is often used to open a lock. Means of open a lock, often include knowledge of (a combination), what you have (keycard) or what you are. (fingerprint, scanning eyes or other)
Locksmithing is one of the earliest forms of engineering. Lockpicking was the first methods of hacking into security systems. The oldest known lock was cca. 4,500 years old and it was found in Egypt. It was found in the ruins of the Emperor Sargons palace. It used the simmilar pin tumbler principle, employed by many modern locks.
Emergency locksmith's are one of the most needed people nowdays, because people often lose theri keys.
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