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2. Smoke hood - Wikipedia

   en.wikipedia.org/wiki/Smoke_hood

   When the oxygen supply ends, the hood will begin deflating and must be removed to avoid suffocation. These devices represent a subgroup of smoke hoods called positive-pressure respirators, which prevent the ingress of smoke or toxic gases by maintaining a higher air pressure inside the mask than outside. Consequently, any leak will cause fresh ...

3. Glossary of breathing apparatus terminology - Wikipedia

   en.wikipedia.org/wiki/Glossary_of_breathing...

   An orinasal mask, oro-nasal mask, or oral-nasal mask [55] is a breathing mask that covers the mouth and the nose only. It may be a complete independent item, as an oxygen mask , or on some anaesthetic apparatus, or it may be fitted as a component inside a fullface mask on underwater breathing apparatus , a gas mask or an industrial respirator ...

4. Escape breathing apparatus - Wikipedia

   en.wikipedia.org/wiki/Escape_breathing_apparatus

   They may use a breathing hood, facepiece or mouthpiece and nose-clip as the user respiratory interface. Atmosphere-supplying apparatus may be rebreathers with a chemical or compressed gas oxygen supply, positive pressure demand apparatus, or constant flow apparatus using high pressure compressed air. Contamination of the breathing gas may be ...

5. Breathing apparatus - Wikipedia

   en.wikipedia.org/wiki/Breathing_apparatus

   Oxygen can be delivered to spontaneously breathing patients via nasal cannula, face mask, artificial airway, or by built-in breathing system demand mask or oxygen hood in a hyperbaric chamber. [49] [50] Delivery may be by continuous flow, by bag reservoir mask, on demand, or on pulse demand. [43]

6. Powered air-purifying respirator - Wikipedia

   en.wikipedia.org/wiki/Powered_air-purifying...

   For substances hazardous to the eyes, a respirator equipped with a full facepiece, helmet, or hood is recommended. PAPRs are not effective during firefighting, in an oxygen-deficient atmosphere, or in an unknown atmosphere; in these situations a self-contained breathing apparatus or supplied-air respirator is recommended instead. [5]

7. Here are the best 'As Seen on TV' items under $25 at Walmart

   www.aol.com/lifestyle/best-seen-tv-items-under...

   Here are the best 'As Seen on TV' items under $25 at Walmart. Kristine Gill. September 22, 2022 at 6:47 AM. These As-Seen-on-TV products are available through Walmart and totally worth the hype ...