41.   Intermittent power failures caused problems for shops, offices and factories.

42.   Investigators from the state railroad company suspected a signal failure caused the collision on the single line track.

43.   Ironically, we cannot even now compete with Thailand whose failure caused the crisis to begin with.

44.   Officials said they believed a signal failure may have caused both trains to be on the same track, the BBC reported.

45.   The letter does not challenge the findings that equipment failure did not cause the crash, Nevers said.

46.   The inquiry found that a piping failure probably caused the submarine to flood and sink.

47.   The U.S. delegation appeal said equipment failure had caused a mixup.

48.   While disruptions may occur, he dismissed concerns that computer failures will cause major dislocations in the Japanese business world or society at large.

49.   A massive power failure of unknown cause blacked out Santiago and most of southern Chile for half an hour late Thursday.

50.   The presence of explosives for the bomb-sniffing dogs would appear to bolster renewed speculation that a mechanical failure caused the crash.