11.   Thanks to hydraulic pumps operated by two massive Chevrolet engines, the craft can expand and contract its height to avoid hitting trees, bridges and phone wires.

12.   The hydraulic failures started about the time the Navy upgraded its fleet of Sea Knights with new, more powerful hydraulic pumps.

13.   The lead mechanic in that operation had balked at installing the replacement engine because a hydraulic pump was missing, according to this reconstruction.

14.   Where power went to the rear propeller shaft in the old model via silicone, hydraulic pumps and fluid accomplish the power shift now.

15.   At least seven people were injured when a hydraulic pump on a ride exploded at a county fair, spewing shrapnel and hot fluid, fire officials said.

16.   He said it was flying a routine mission over Bosnia when it developed a problem with its hydraulic pump and made the emergency landing.

17.   His Ferrari engine quit with an hydraulic pump problem near the end of his first warmup lap and he was pushed back to the pits.

18.   On Wednesday, an Air Transat spokeswoman said the replacement engine installed on the plane was missing the hydraulic pump, and mechanics used one from a different model.

19.   The rest of the aid included hydraulic pumps, construction materials and water purification equipment aimed at making more drinking water safe.

20.   They cause widespread environmental damage by using hydraulic pumps to blast trees out of the ground to look for gold and diamonds.