1.   Ask if hotel rooms have peepholes and deadbolt locks for doors and window locks.

2.   -- Install deadbolt locks on all doors leading outside.

3.   A good choice for a supplementary lock is an internal deadbolt lock which fits within the door.

4.   ALPA also is considering recommending installation of deadbolt locks on cockpit doors, and making at least two stun guns standard cockpit equipment.

5.   Buy good deadbolt locks for the doors of your home.

6.   Deadbolt locks that have keyholes on both sides are more secure but can be inconvenient.

7.   Deadbolt locks have strike plates that are mounted flush in the surface of the door jamb.

8.   Doors predrilled for both a regular lock and a deadbolt lock are slightly more expensive than doors fitted for one lock only.

9.   For hinged doors, the best defense is to have deadbolt locks.

10.   Install double cylinder deadbolt locks on doors with glass panes.