1.   Wave charts show breathing pattern, and alarms sound if breathing falters or gas supplies are affected.

2.   A little more than an hour of sleep remains before the alarm sounds.

3.   Alarms sound and elevators stop working when a baby is taken to a restricted area.

4.   All four crew members have told investigators that they never heard the alarm system sound.

5.   But sound the alarm over a subject dear to their hearts, and their brain cells take a rest break.

6.   Carbon monoxide is colorless and odorless, so when the alarm sounds, consumers can only open the windows, run out of the house and call for help.

7.   He would rather crack a joke than sound an alarm.

8.   The systems sound an alarm as an object gets closer.

9.   When it finds a virus, an alarm sounds and access to the infected file is blocked.