local alarm การใช้

• However, if there is an exit error, an immediate local alarm will sound.
• Later, electric telegraphs were installed but the bell provided local alarms.
• "Therefore the local alarm could not be expected to result in a mass panic situation, " the board said.
• As one of them approached Rembrandt's " Self-Portrait " ( 1629 ), a local alarm sounded, which they immediately smashed.
• They invented the first shunt-type fire alarm system, where a local alarm pulled in a building would also trigger the nearest municipal street fire alarm box.
• There are also systems that permit a duress code to be entered and silence the local alarm, but still trigger the remote alarm to summon the police to a robbery.
• In the 1920s Guardian Alarm founder Milton Pierce designed and installed his first burglar alarm in his father s Detroit tailor shop and then went on to work for a local Alarm company.
• In June 1904 she was posted in West Africa, when her crew provided teams for the first competitive games of cricket and HMS " Crescent " were available to deter an entire fleet of battleships caused considerable local alarm.