71.   On Sunday, the banners drew amused comments from the announcer for a National Scholastic Surfing Association competition on the beach over a public address system audible to passers-by.

72.   Off hand, I can think of no better way to hold a patriotic observance, even if others are tempted to bring public address systems out of storage.

73.   Over a radio hookup on the public address system, the Los Angeles Dodgers play the New York Mets at Shea Stadium.

74.   Over the public address system, a female voice occasionally broke the quiet with announcements of what she described as photo opportunities.

75.   People rush about, jet engines roar overhead, a voice booms over the public address system.

76.   Planes roared, thunder boomed and the public address system crackled like gunfire, its startling blasts causing a delay minutes before the rain began pouring down.

77.   Police used a public address system to order them out of the RV.

78.   Public address systems in many office buildings instructed workers to get under desks or tables.

79.   Security guards herded visitors and workers down stairwells as a disembodied voice on a public address system urged office employees to turn off their coffee makers.

80.   She apparently indicated, he said, that it sounded like the public address system.