1.   Fit hinge bolts to give extra support to the door lock.

2.   Door locks also help with security.

3.   But yesterday he found the would-be thieves had smashed the door lock in an attempt to break in.

4.   And a lot of other computer-controlled systems, from hotel door locks to trains to ordinary traffic signals, could stop working.

5.   And on one cold Michigan evening, the door locks and trunk release would not operate with either the remote key fob or the interior release buttons.

6.   Another recommendation was to equip planes with separate keys for the door lock and the ignition.

7.   As with all components for your house, you can pay a little or a lot for a new door lock.

8.   Between these two displays is a selection of elaborate wooden door locks carved by blacksmiths but cared for by women.

9.   A third shows a door lock on the outside of a bedroom door, allowing parents to lock the children inside.