How To Use P.a. system In A Sentence

• The P.A. system clicks on and a woman's monotone voice tells us that she will be announcing the first panel of the day.
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• The music, the agency conjectured, might drown out crucial security announcements on the P.A. system.
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• Can he rig up a P.A. system?
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• Every morning Weinstein would announce various good deeds over the p.a. system and she solicited prizes form local merchants and restaurants.
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