English, asked by dhruv8597, 2 months ago

How does mask works ?

Answers

Answered by AujlaSaab09

Explanation:

These one-way valves close when the wearer breathes in, but open when the wearer breathes out, allowing unfiltered air and droplets to escape. Chin-Hong said that anyone wearing a valved mask would need to wear a surgical or cloth mask over it.......

Previous Question

Next Question

Similar questions

English, 1 month ago

neresh is the poorest man in our village. (use poor)...

Math, 1 month ago

19. There are 3 numbers. The first and second num- bers are 20% and 40% more than the third num- ber. What percentage is the first number of the sum of the second and the third numbers?

Science, 1 month ago

दिए गए तत्वों के L- वितरण बताइए (a) na (at.no.11)...

Math, 2 months ago

write the following set using rule method .B{i,n,d,a}...

English, 2 months ago