354 bytes added
, 20:47, November 17, 2008
A ''lock''' is a device designed to secure entry to, exit from, movement or removal of an object. Typical items with locks include [[doors]], [[cars]] and [[gates]]. Smaller and/or portable locks may be used to secure other items such as [[lockers]] or [[bicycles]]. Locks are typically opened by [[keys]], electronic signals or by numerical combination.