I think the amount of effort would would be too high for a masks that would end up being unpractical. It would not filter aerosols reliably and breathing comfort would also be undermined. Also those masks aren’t designed to be used as much as we do know. That’s my theory. But you might be right that it would make sense to do that.
I think the amount of effort would would be too high for a masks that would end up being unpractical. It would not filter aerosols reliably and breathing comfort would also be undermined. Also those masks aren’t designed to be used as much as we do know. That’s my theory. But you might be right that it would make sense to do that.