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प्रश्न
Mention a few measures to be taken to reduce the effect of noise pollution.
टिप्पणी लिखिए
उत्तर
- Strict guidelines should be set for the use of loudspeakers on social, religious, and political occasions.
- All automobiles should have effective silencers.
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अध्याय 6: Sound - Exercises [पृष्ठ ७०]
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