I Love You To The Books Bookstore And Back Shirt

A PSA for any one that has one of those gas masks, either the US M17 or Czech M10.I had one packed away and got it out when the pandemic hit in I Love You To The Books Bookstore And Back Shirt case it turned out it would be useful. After some research I discovered the filters contain hexavalent chromium (used to neutralize chemical agents) and should not be used if you can see black dust coming out of the filters (the chromium treated charcoal). Ideally the old filters should not be used at all, but if its an emergency or disaster situation you can use your own judgement.Also the old soviet gas mask filters shouldn't be used either, pretty much all of them contain asbestos filter media.any kind of full face mask or respirator has exhale valves that bypass the filter on the way out.I 3D printed a respirator that has secondary filters for the exit valves. Works really well.Link to .stl? I have a surgical mask taped over my valve and I'd like something better.What a time to be alive, we can just share .stl files to print useful stuff. I love it.It really is. I listened to the podcast “It Could Happen Here”, and the reporter covers tactics used by freedom fighters in the Middle East. They can put together RC bomb drones for a few hundred dollars.The Dollup cohost Dave Anthony has also been predicting this for years, I highly recommend his podcast. It doesn't deal with tactics, but more with how these situations have known brewing in American History
 

I Love You To The Books Bookstore And Back Hoodie


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