11.   The helicopter warning horn then sounded advising that the main rotor blades were too slow.

12.   As the cutting progresses, lower the handle so that the blade is horizontal.

13.   Before piercing the catfish, the volunteer informed everyone that the fillet blade is much sharper than any household knife.

14.   Bimetal blades are laminates of high-speed steel teeth welded to a spring-steel shaft.

15.   Blade is style over substance.

16.   Blades reportedly was the only one in the room when his cousin, Charles Blades,died of a gunshot wound to the head.

17.   Blade was a comic book superhero who had special appeal for Snipes.

18.   Box cutter blades are under that length, so it is possible they were brought on board the highjacked flights in carry-on luggage.

19.   A buzz saw whose blade was not yet sharp, perhaps, but was already lethal.

20.   A ceiling fan cools and circulates most efficiently when the blades are eight to nine feet above the floor.