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Lock picking is the practice of unlocking a lock by manipulating the components of the lock device without the original key. Although lock-picking can be associated with criminal intent, it is an essential skill for the legitimate profession of locksmithing, and is also pursued by law-abiding citizens as a useful skill to learn, or simply as a ...
Real-estate lock box. A real-estate lock box is a padlock -shaped box that generally hangs around the doorknob of a house that is on the market. The device holds the keys to a house to allow communal access for all real estate agents, while continuing to keep them secure. [1] Permission is generally required from the seller, who is the owner ...
Mortise lock. The two main parts of a mortise lock. Left: the lock body, installed in the thickness of a door. This example has two bolts: a sprung latch at the top, and a locking bolt at the bottom. Right: the box keep, installed in the doorjamb. A mortise lock (also spelled mortice lock in British English) is a lock that requires a pocket ...
Locksmithing is the science and art of making and defeating locks. Locksmithing is a traditional trade and in many countries requires completion of an apprenticeship. The level of formal education legally required varies from country to country from none at all, to a simple training certificate awarded by an employer, to a full diploma from an ...
The pin tumbler lock, also known as the Yale lock after the inventor of the modern version, is a lock mechanism that uses pins of varying lengths to prevent the lock from opening without the correct key. Pin tumblers are most commonly employed in cylinder locks, but may also be found in tubular pin tumbler locks (also known as radial locks or ...
But one of the most important steps residents can take to protect themselves and their homes from damage in a hurricane is so simple that you may not even know about it -- close your doors.
A door handle or doorknob is a handle used to open or close a door. Door handles can be found on all types of doors including exterior doors of residential and commercial buildings, internal doors, cupboard doors and vehicle doors. There are many designs of door handle, depending on the appropriate use. A large number of handles, particularly ...
A dissertation on locks and lock picking, and the principles of burglar proofing: showing the advantages attending the use of the magic infallible bank lock, and the patent door lock, invented by Linus Yale Jr. ... and his patent chilled iron burglar-proof bank doors, vaults, and safes, which are adopted by the U.S. Treasury Department for all ...