Question

Why does policemen regulating traffic at a crowded crossing often wear a mask​

Answer 1

$\sf{\underline\blue{Answer:-}}$

Traffic Police wear a mask because they spend their whole day between vehicles and dust. The releasing gas is a reason for health issues. The mask is also reducing the number of harmful gases which is taken by them in breathing.

Answer 2

Answer:

The police wear mask because in the croweded crossing area there was lot dust and it will effect his nose so the police man wear mask

BUT NOW THE SITUATION IS WE ALL SHOULD WEAR MASK WHEN WE GO OUT OR WHEN WE GO SOMEWHERE

Explanation: