masks

My college is starting in about 3 days. I'm thinking of wearing surgical mask. Its best to stay on the safer side. The N95 respirator is a better option, but its expensive-about a 100 bucks. You will have to use respirators and masks only once. You will then have to buy another one. I think the...

You can't tell me that the pollution in san fransisco is any better. And should the cyclicest that wore masks that stired up all the controvresy at the bejing airport appoligize