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  2. Self-contained breathing apparatus - Wikipedia

    en.wikipedia.org/wiki/Self-contained_breathing...

    Some types are also referred to as a compressed air breathing apparatus (CABA) or simply breathing apparatus (BA). Unofficial names include air pack, air tank, oxygen cylinder or simply pack, terms used mostly in firefighting. If designed for use under water, it is also known as a scuba set (self-contained underwater breathing apparatus).

  3. Oxygen toxicity - Wikipedia

    en.wikipedia.org/wiki/Oxygen_toxicity

    Recreational scuba divers commonly breathe nitrox containing up to 40% oxygen, while technical divers use pure oxygen or nitrox containing up to 80% oxygen to accelerate decompression. Divers who breathe oxygen fractions greater than of air (21%) need to be educated on the dangers of oxygen toxicity and how to manage the risk. [76]

  4. Medical gas supply - Wikipedia

    en.wikipedia.org/wiki/Medical_gas_supply

    Medical oxygen storage tanks at the Royal Women's Hospital, Melbourne, Australia. Oxygen may be used for patients requiring supplemental oxygen via mask. Usually accomplished by a large storage system of liquid oxygen at the hospital which is evaporated into a concentrated oxygen supply, pressures are usually around 345–380 kPa (50.0–55.1 psi), [1] [2] or in the UK and Europe, 4–5 bar ...

  5. Hospitals had concerns over oxygen delivery to patients ... - AOL

    www.aol.com/hospitals-had-concerns-over-oxygen...

    The Healthcare Safety Investigation branch said in a report that at least a dozen hospitals had to take emergency action to mitigate risks. Hospitals had concerns over oxygen delivery to patients ...

  6. Asphyxiant gas - Wikipedia

    en.wikipedia.org/wiki/Asphyxiant_gas

    The specific guidelines for prevention of asphyxiation due to displacement of oxygen by asphyxiant gases is covered under CGA's pamphlet SB-2, Oxygen-Deficient Atmospheres. [15] Specific guidelines for use of gases other than air in back-up respirators is covered in pamphlet SB-28, Safety of Instrument Air Systems Backed Up by Gases Other Than Air.

  7. 11 Best Meal Delivery Services & Kits of 2024 - AOL

    www.aol.com/lifestyle/11-best-meal-delivery...

    Purple Carrot is a 100% vegan subscription meal service that makes it easy to cook and eat plant-based meals at home. You can choose between a meal kit, a prepared meal plan, or both!. Each box is ...

  8. List of highly toxic gases - Wikipedia

    en.wikipedia.org/wiki/List_of_highly_toxic_gases

    Many gases have toxic properties, which are often assessed using the LC 50 (median lethal concentration) measure. In the United States, many of these gases have been assigned an NFPA 704 health rating of 4 (may be fatal) or 3 (may cause serious or permanent injury), and/or exposure limits (TLV, TWA/PEL, STEL, or REL) determined by the ACGIH professional association.

  9. 8 Best Low-Carb Meal Delivery Services of 2023 - AOL

    www.aol.com/6-best-low-carb-meal-213200811.html

    The meals on the Keto meal plan contain 10 g or less of net carbohydrates with the average total carb count at 12.5 g and an average of 2.5 g of dietary fiber in each meal.