I'm an ergaleomancer. It's my duty to build devices for the people. It's not a mask, but rather a freestanding unit to put inside the house, merely wind it up and let it work, and it will pull any impurities out of the air, such as that poison gas the hazmats spew, and dispense clean air and oxygen from the vents at the bottom.

I've been making them from parts from the cars here, and I've also started making gas masks to pass out.

[[She smiles cheerily, utterly proud of herself. Of course, her devices haven't been tested against actual hazmat men...or at all. Although she is a very skilled inventor and her machines might well filter out even a significant amount of air pollution...somehow that probably doesn't mean much against the hazmats.]]

I made an announcement concerning them, but...it seems not many people at all heard it...