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Atapattama Auto Vision Doramadalava Wenasa Venasa Atapattama Doramadalawa | Atapattama
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A public address (PA) system is an electronic amplification system used as a communication system in public areas. It also refers to an audio transmission system used in institutional and commercial buildings, in which input from a microphone or prerecorded music is amplified and sent to speakers throughout the premises. These types of PA systems are commonly seen in schools'''....Read More
November 2, 2016 10:19 am