Lock Key

Turn, click. Open!

  • There are many different types of keys which are used to open locks.
  • Keys are tools that are used in security and access of homes and cars etc.
  • House keys are the most common type of keys, then car keys.
  • Keys can be double sided or four sided, for extra security.
  • Thousands of years ago, wood was used to make keys.

Keys, Skeleton, Lots, Old, New, Blue, Rad, Small, Car Key, Traditional Key, Tags, Ten Random Facts

  • Some say that Theodore of Samos invented the key in the 6th century BC.
  • Romans used to wear keys as rings as symbols of wealthiness and for security.
  • Key duplicating was invented in 1917 using a blank key and a wheel that cuts the key.
  • Some keys are cylindrical, and are called tubular keys, which are commonly used among vending machines, laptop and bicycle locks.
  • Key cards are alternate keys that are like flat credit cards and are typically used in hotels.
Key (Lock) 15 February 2013, Wikipedia, <http://en.wikipedia.org/wiki/Key_(lock)>
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