81.   Alarmists warn that prison security systems could crash along with the computers.

82.   Airlines, which operate with thin profit margins, squeeze as much cost out of the security system as possible.

83.   All these, Bucherer said, were being kept in a bank vault, because the museum lacked an adequate security system.

84.   Businesses embracing one security system would be unable to mesh with consumers using the other.

85.   But administration officials insisted this was an isolated incident that demonstrated the effectiveness of their security system.

86.   But Armey said House leaders would support a bill letting Bush decide whether the airport security system should be manned by federal employees.

87.   But he concedes that no security system is foolproof.

88.   But in many other instances it is the security system that defeats the robbers, although an FBI spokesman would not elaborate how often this happens.

89.   But it also unraveled the repressive security system that kept close check on Soviet nuclear weapons and the fissionable material that goes into them.