31.   A nozzle failure could cause a shuttle to veer dangerously off course.

32.   Although the U.N. remained silent on what might have caused the crash, there was strong suspicion that mechanical failure caused the aircraft to go down.

33.   An equipment failure caused several explosions at a natural gas plant last week that forced the evacuation of this northeastern British Columbia town.

34.   Antara said power failures caused blackouts in several residential areas.

35.   But Douglas N. Ghertner, attorney for the helicopter companies, told jurors that the engine failures did not cause any crashes.

36.   Government investigators suspect that engine failure caused the crash.

37.   His death was blamed on severe abdominal bleeding and organ failure caused by his long-standing health problems.

38.   However, the same paper quoted the driver, Daniel Muiruri, as saying brake failure caused the accident.

39.   In January, a pipe failure caused too much waste water to escape into the river.

40.   Initial investigation showed that engine failure caused the crash, Interfax said.