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| noise protection wall | |||
| noise barrier (wall) | |||
| noise barrier; noise barrier Barriers for reducing the propagation of sound: they are widely used in industry and alongside roads and railways to shield receivers from noise sources. Barriers will not reduce the noise on the receivers side, but will increase it, unless the barrier is also covered in absorbing material | |||
| noise mound | |||
| acoustical barrier | |||
| noise protection embankment | |||
| anti-noise barrier | |||