Experimental Noise Barrier - (Speaking > Unusual Situation)

Experimental Noise Barrier

You are walking past a construction site and notice they have installed an unusual type of noise barrier that you've never seen before. Call your colleague who works in construction management and describe in detail what this innovative barrier looks like and how it appears to be functioning. Ask if they have heard about this new type of noise control system and if they think it could be useful for their upcoming project.

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Recording time: 60s

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