Question

Why do policemen regulating traffic at a crowded crossing often wear a

mask?
please answer​

Answer 1

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. These gases are very harmful. These gases are responsible for lung diseases, Breathing problems, Cancer.

When they are between crossing they may face this health issue. So, they use mask. Mask helps somehow prevent these harmful gases and dust.

It is essential for them related to the health issue. The mask is also reducing the number of harmful gases which is taken by them in breathing.