https://www.usa.gov/government-works https://www.rawpixel.com/image/439932 The new firefighter breathing system is made up of an air bottle, a frame and harness, a face mask, and a warning device.…

The new firefighter breathing system is made up of an air bottle, a frame and harness, a face mask, and a warning device. Original from NASA. Digitally enhanced by rawpixel.

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