Why do policeman regulating traffic at a crowded crossing wear masks
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Answered by
8
Answer:
The policeman regulating traffic at a crowded crossing wear masks to prevent dust from entering their nose and mouth .
They also want to safeguard themselves from the toxic pollutants exhausted by the vehicles.
Explanation:
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Answered by
3
Answer:
they were masks to protect their nose and mouth from harmful bacteria and dust particles
Explanation:
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