Question

industrial noise can be reduced by proper ____ machine ​

Answer 1

Answer:

Reflected noise paths can be reduced by adding sound-absorbing panels to walls and by hanging sound-absorbing devices (unit absorbers) from ceilings. Direct noise paths can be disrupted by using enclosures or acoustical barrier walls between the source and receiver.

Explanation:

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Answer 2

Industrial noise can be reduced by using proper Silencers.