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fully encloesd sound barrier
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Solar energy sound barrier
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Tempered Glass Noise Barrier
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Acrylic transparent noise barrier
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Aluminum Flate Noise Barrier
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Metal Louver Noise Barrier
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PC-transparent-noise-barrier
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Metal Microporous Noise Barrier
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Triangular Cone Noise Barrier
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Air conditioning unit acoustic barrier
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Temporary Noise Control Barrier (T.N.C.B)
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Permanent Noise Control Barrier P.N.C.B