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2. Respiratory protective equipment - Wikipedia

   en.wikipedia.org/wiki/Respiratory_protective...

   Respiratory protective equipment (RPE), also called protective breathing equipment (PBE) in the US, [1] is a form of personal protective equipment designed to protect the wearer from a variety of airborne hazards in the form of a gas, fume, mist, dust or vapour. Respirators filter the air to remove harmful particles and alongside the breathing ...

3. Facemask (orthodontics) - Wikipedia

   en.wikipedia.org/wiki/Facemask_(orthodontics)

   Teenage patient been fitted with her orthopedic / orthodontic facemask - required wear-time 16 hours daily. A facemask (also referred to as a protraction facemask, orthopedic facemask, or reverse-pull headgear) is a type of an orthodontic headgear used to treat underbite and other malocclusions where the upper jaw is too far backwards. [1]

4. Respirator assigned protection factors - Wikipedia

   en.wikipedia.org/wiki/Respirator_Assigned...

   The respiratory protective devices (RPD) can protect workers only if their protective properties are adequate to the conditions in the workplace.Therefore, specialists have developed criteria for the selection of proper, adequate respirators, including the Assigned Protection Factors (APF) - the decrease of the concentration of harmful substances in the inhaled air, which (is expected) to be ...

5. Surgical mask - Wikipedia

   en.wikipedia.org/wiki/Surgical_mask

   A surgical mask serves as a mechanical barrier that interferes with direct airflow in and out of respiratory orifices (i.e. nose and mouth).Most commonly used surgical masks are designed to only trap respiratory droplets, and therefore do not filter or block fine airborne particles that are smaller than the designed filtration ratings, which may be transmitted by coughs, sneezes, unintentional ...

6. Hospital introduces mandatory face mask rule - AOL

   www.aol.com/hospital-introduces-mandatory-face...

   A Derbyshire hospital has brought in new face mask rules in a number of departments amid a rise in flu cases. Bosses at the Chesterfield Royal Hospital re-introduced mask wearing for all staff ...

7. Respirator - Wikipedia

   en.wikipedia.org/wiki/Respirator

   An open circuit SCBA typically has three main components: a high-pressure gas storage cylinder, (e.g., 2,216 to 5,500 psi (15,280 to 37,920 kPa), about 150 to 374 atmospheres), a pressure regulator, and a respiratory interface, which may be a mouthpiece, half mask or full-face mask, assembled and mounted on a framed carrying harness.

8. Bitcoin's 2025 Outlook Suddenly Looks Uncertain: Here's Why - AOL

   www.aol.com/bitcoins-2025-outlook-suddenly-looks...

   As 2025 approaches, Bitcoin (CRYPTO: BTC) finds itself navigating a shifting macroeconomic landscape, with fading tailwinds raising concerns about sustained momentum, according to a report. What ...

9. Games on AOL.com: Free online games, chat with others in real ...

   www.aol.com/games/play/masque-publishing/mah-simple

   Discover the best free online games at AOL.com - Play board, card, casino, puzzle and many more online games while chatting with others in real-time.