By Michael Yon

Explosions, Fires, Poison Gases All fires create breathing dangers.

We see many “accidents” unfolding.

The difference between a massive cloud that hurts nobody versus a Bhopal-sort that kills thousands can be little more than windspeed and direction. And whether you have a mask. Or even a drone to pop-up for a look-see on which way to go. Many people asked me about masks over the years.

Read more:
https://open.substack.com/pub/michaelyon/p/protective-masks?r=fhh8y&utm_campaign=post&utm_medium=email