Supermarket checkout guy had a go at me for "not protecting others by wearing a mask". I pointed out that his "N95" mask had a one-way valve, which meant that his breath was coming out of there and not through the mask.
He didn't understand. He had zero comprehension of how a valve works. :(
Supermarket checkout guy had a go at me for "not protecting others by wearing a mask". I pointed out that his "N95" mask had a one-way valve, which meant that his breath was coming out of there and not through the mask.
He didn't understand. He had zero comprehension of how a valve works. :(