Good Door Locks Provide Security

The world of door locks has come a long way from the time when people used to hang a latch string out a hole in the door then pull inside at night to prevent intruders from opening the door. So, while modern door locks provide way more security than a latch string ever could, it's easy to be confused by the seemingly endless types of locks now available.

Source: http://www.doityourself.com/stry/good-door-locks-provide-security

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