THIS STORY HAS BEEN FORMATTED FOR EASY PRINTING

WPI devices help locate firefighters

Six firefighters died battling this blaze in Worcester in 1999. Six firefighters died battling this blaze in Worcester in 1999. (File/Paul Connors/Associated Press)
By Dave Copeland
Globe Correspondent / December 21, 2009

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The six Worcester firefighters who died battling a five-alarm fire in an abandoned cold storage warehouse 10 years ago were wearing what are known as “pass’’ alarms. The devices emit a loud signal if the firefighter sets off the alarm or stops moving for an extended period. (Full article: 697 words)

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