Some advised precautions are simple, like wearing a face covering to go to the grocery store.
Other public spaces make mask wearing more challenging, such as while dining.
Guidance for foodservice employees is straight forward.

In summary: wear masks when at all feasible (viaNation’s Restaurant News).
One Israeli inventor thinks he has the answer to this quandary.
I wouldn’t want to wear it afterward."

More importantly, however, is whether this mask is effective.
Any activity that involves close contact with people outside the home bring(s) some risk."