Question

for what time we can use a surgical mask ? a)3 to 4hrs b)6to 8 hrs c)12to15 hrs d)24 hrs​

Answer 1

Answer:

I think the the option is (D) i.e 24 hrs. so that when we talk to anyone then our diseases doesn't goes to other person by which we are talking .

Answer 2

Answer:

b) 6 to 8 hrs is the right answer