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19 votes
19 votes
Enumerate two ways that you practice to control manage noise pollution

1.

2.



please answer it correctly i really need it
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User Bjorsig
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1 Answer

26 votes
26 votes
1. Sound insulation at construction sides.
2. Using silencers in automobiles and replacing old noisy machines with new quitter machines or using lubricants
User Sangwook
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