Locking systems provide the basic functions of any security device, hence locking system is a device used to secure possessions. Door locks, deadbolts, camlocks, mortise locks, padlocks, control keys, door handles and exit devices are a few examples of locking systems.
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A detachable lock with a U shaped shackle at one end designed to pass through a staple, hasp, link or chain and then snap shut, to prevent Use, theft, vandalism or harm, which may be opened by key or predetermined setting on the dial of a combination lock.
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