31.   He would not say how long America West had been having trouble with the warning system, but the board is checking maintenance records of the past two years.

32.   If they discover that, they hope to create a warning system that would sound.

33.   If the connections become clear, says Colwell, the models might be used to create a global cholera warning system.

34.   In addition, the original ground warning systems had to be suppressed when landing gear was down and the flaps were extended because it meant the plane was landing.

35.   Improved intelligence warning systems would also give American and South Korean forces more time to prepare for battle.

36.   In response, the Pentagon ordered a secret, crash program to develop a warning system that could detect the presence of biological agents before they reached lethal levels.

37.   Install enhanced ground-proximity warning systems.

38.   Instead, airlines appear to be concentrating on improved ground-proximity warning systems.

39.   Investigators pulled out a photograph of red jumper cables, apparently used to bypass the railway warning system.

40.   It also had a ground approach warning system.