41.   For each phase, NASA has estimated the odds of a serious accident that would release plutonium and hurt people.

42.   For example, if you are in a position in which inattention can lead to serious accidents, injury or production problems, your manager may have actually underreacted.

43.   For the most part, her new music has the depth that has characterized her work since a serious accident six years ago.

44.   Ford Motor Co. struggled Tuesday to keep a serious industrial accident that paralyzed its River Rouge manufacturing complex from causing shutdowns at other factories across North America.

45.   He says too many teenagers have been involved in serious accidents at younger ages, and have proven that there are problems with maturity and experience.

46.   His family was shaken by instability, he was suffering chronic stomach pain and he had just been hospitalized after a serious accident at home.

47.   Highway safety experts say the passenger restriction and a tougher nighttime driving curfew is essential to staving off serious accidents.

48.   In a few places in the country, especially those that have had serious accidents, local governments restrict development near pipelines.

49.   In recent years, there have been several serious accidents in and around New York City involving crowded vans, some of them ferrying passengers illegally.

50.   It also reflected the grim acceptance among submariners that if a serious accident occurred in hostile waters, they probably were not coming back.