Science, asked by asadkha2104, 4 months ago

29. why do police man regulating traffic at a crowded city road crossing after weird masks?​

Answers

Answered by pi90
3

Answer:

Traffic Police wear a mask because they spend their whole day between vehicles and dust. The mask is reducing the risk of harmful gases which is taken by them while breathing.

The dust and harmful gases released causes many health issues

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