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The Interesting Facts about the Different Kinds of Locks Used as Security Devices Nowadays, the crime rates in every parts of the world are increasing, and three of the most common criminal activities are theft, burglary and robbery. And for that, the people are doing their best to protect and provide securement to themselves, their families and their properties. Most of the people, nowadays, are purchasing and using the different types of locks designed, manufactured and marketed as devices that can promote safety and protection and can help in preventing these common crimes from occurring. A lock is basically described as a fastening device that can be freed or released with a physical object like a fingerprint, RFID or radio-frequency identification card, security token, key, and keycard; a combination provided by the manufacturer or the owner; and with a secret information such as a keyword or password being supplied by the owner. Locks are being divided into two various categories, namely the locks with electronic keys and the locks with physical keys. The five examples of the locks with physical keys are the Abloy lock or disc tumbler lock, which is composed and designed with slotted rotating detainer discs; the lever tumbler lock, which is composed of a set of levers that can prevent the bolt from moving in the lock; the warded lock, which is composed of a set of obstructions or wards that can stop or prevent the lock from opening unless the right manufactured key is used and inserted; the wafer tumbler lock, which is quite similar to the pin tumbler lock; and the pin tumbler lock, which is composed and designed with a set of pins that can prevent the lock to open unless the correct key is used and inserted. The four common examples of the locks with electronic keys are the smart lock, which is recognized as an electromechanical lock that can open or close the door with the use of an authorized device through a wireless protocol and cryptographic key; the sidebar lock, which can operate through the use of fins on a radial key that can activate the sidebars by aligning a cylindrical code bar found within the lock; the electronic lock, which is connected to an access control system and can operate via an electronic current; and the keycard lock, which can be operated with the use of flat card like a driver’s license and credit card. Several other types of locks include the chamber lock, time lock, rim lock, padlock, magnetic keyed lock, luggage lock, protector lock, police lock, Chubb detector lock, lock screen, mortise lock, magnetic lock, combination lock, cylinder lock, deadbolt, electric strike, cam lock, bicycle lock and child safety lock.

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