Locksmithing refers to the art of making and undoing locks. A lock basically is a mechanism which is used to secure rooms, buildings, storage areas etc. Often a key is used to open a lock but now days more sophisticated and complex locks are being made which require things like a security token or a combination of numbers or other means of authentications to open them. A locksmith is a person who is an expert in the assembling and designing of locks along with their keys. The oldest lock was made in Egypt and the first key based lock was made during the Assyrian Empire in about 704 BC. The Pin Tumbler principle was used in it just like the modern day locks.
In the early times locksmiths used to design the whole lock working for hours shaping and cutting screws by hand. Today traditional locks are not a big deal to design after the advancement in technology, now a day more sophisticated locks for safes and storage facilities have taken the place for the traditional locks as they are in demand and are built at a very high cost. Although the fitting of keys to replace lost keys of homes and automobiles is still an important part of Locksmithing but locksmiths today are more involved in the installation of higher quality lock sets and designed advanced key control systems. Many locksmiths also perform the electronic lock servicing like making keys transponder security equipped automobiles and the application of access to control systems protecting the assets and valuables of large organizations. Locks can provide a higher level of security if they are combined with secure containers and document destruction systems or alarm system or electronic access. Some of the locksmiths are masters of this art and successfully form business alliances many companies.
Locksmiths work out of storefronts or out of a vehicle; some may specialize in a single aspect such as home locks or automotive locks, a safe technician or a master key specialist. Many locksmiths also take a step further and become security consultants. Locksmiths are also often certified to a level of skill within the trade but this is different from the complete training courses for specialized Locksmithing. Manufacturers and locksmith associations provide different skill levels certification which is considered as a credible source for determining the expertise of an individual in this profession. Majority of locksmiths also work on door hardware apart from the locks. This includes door hinges, door closers, frame repairs, electric strikes and other door hardware.
Locksmithing is a historical and a traditional trade, and in many countries requires completion of an Apprenticeship or a proper training program. The formal education level required for being a specialist varies from country to country. It can either be a simple training certificate awarded by an employer for whom you have lend your services or it may be a full-fledged Diploma from an Engineering Institution in addition to work hours spent working as an interne or an apprentice.

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