21.  While strengthening cockpit doors may be an appropriate use for that money, they said a permanent revenue source is needed for air marshals and screeners.

22.  Within a few months of VE Day, Americans and Russians differed on a lot more than appropriate uses of the Wannsee.

23.  Appropriate use of force is one of the tests.

24.  Wetlands in Malawi rarely receive appropriate use and in some instances are overexploited.