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two-key lock

См. также в других словарях:

  • Key (lock) — A cut key A key is an instrument that is used to operate a lock. A typical key consists of two parts: the blade, which slides into the keyway of the lock and distinguishes between different keys, and the bow, which is left protruding so that… …   Wikipedia

  • Key — may refer to: Building* Key, Carpentry: timber or metal wedges used across or between two or more members to act as a tightening agent. * Key, Painting: to rough the surface of previous coats of paint to allow a secure bond for the next or top… …   Wikipedia

  • Lock (water transport) — Canal lock and lock keeper s cottage on the Aylesbury Arm of the Grand Union Canal at Marsworth in Hertfordshire, England …   Wikipedia

  • key — key1 /kee/, n., pl. keys, adj., v., keyed, keying. n. 1. a small metal instrument specially cut to fit into a lock and move its bolt. 2. any of various devices resembling or functioning as a key: the key of a clock. 3. See key card. 4. something… …   Universalium

  • Key — /kee/, n. Francis Scott, 1780 1843, U.S. lawyer: author of The Star Spangled Banner. * * * I In music, system of pitches and harmonies generated from a scale of seven tones, one of which is predominantly important. Keys are a basic element of… …   Universalium

  • Two-man rule — The two man rule is a control mechanism designed to achieve a high level of security for especially critical material or operations. Under this rule all access and actions requires the presence of two authorized people at all times. Contents 1… …   Wikipedia

  • key — I UK [kiː] / US [kɪ] noun [countable] Word forms key : singular key plural keys *** 1) a small piece of metal used for opening or locking a door or a container, or for starting the engine of a vehicle I could hear someone turning the key in the… …   English dictionary

  • key — key1 [ ki ] noun count *** ▸ 1 for opening/locking ▸ 2 for achieving something ▸ 3 on computer/instrument ▸ 4 in music ▸ 5 list of meanings/answers 1. ) a small piece of metal used for opening or locking a door or a container, or for starting the …   Usage of the words and phrases in modern English

  • Two-factor authentication — (TFA, T FA or 2FA) is an approach to authentication which requires the presentation of two different kinds of evidence that someone is who they say they are. It is a part of the broader family of multi factor authentication, which is a defense in …   Wikipedia

  • Lock bumping — is a lock picking technique for opening a pin tumbler lock using a specially crafted bump key . One bump key will work for all locks of the same type.HistoryIn the 1970s, locksmiths in Denmark shared a technique for knocking on a lock cylinder… …   Wikipedia

  • Lock picking — is the act of unlocking a lock by analyzing and 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 a locksmith. Lock picking is the… …   Wikipedia

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