2 ms·
There are hazards to recirculating air (instead of opening a window), e.g. aerosol viruses, off-gasing and some of these people smoke like chimneys.
by Scoundreller 4y ago
There are hazards to recirculating air (instead of opening a window), e.g. aerosol viruses, off-gasing and some of these people smoke like chimneys.