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2. Full-face diving mask - Wikipedia

   en.wikipedia.org/wiki/Full-face_diving_mask

   A diver in a pool wearing an AGA full face mask A diver wearing an Ocean Reef full face mask Head protection helmet for use with Ocean Reef full face diving mask. A full-face diving mask is a type of diving mask that seals the whole of the diver's face from the water and contains a mouthpiece, demand valve or constant flow gas supply that provides the diver with breathing gas. [1]

3. Diving helmet - Wikipedia

   en.wikipedia.org/wiki/Diving_helmet

   These may be worn with a full-face mask or half mask to provide impact protection when diving under an overhead, and may also be used to mount lights and video cameras. [3] [4] An alternative to the diving helmet that allows communication with the surface is the full-face diving mask. These cover most of the diver's face, specifically including ...

4. Motorcycle personal protective equipment - Wikipedia

   en.wikipedia.org/wiki/Motorcycle_personal...

   There are three main styles: flip-face, open-face and full-face. [15] [16] An open-face helmet, which includes half helmets and three-quarter helmets, will protect everything but the face. Full-face helmets protect the skull, plus providing protection for the lower jaw as well as the face itself. Full-face helmets offer much more protection ...

5. High altitude breathing apparatus - Wikipedia

   en.wikipedia.org/wiki/High_altitude_breathing...

   A commonly used system manufactured by Poisk uses three high-pressure composite cylinders filled to 260 Bar at 20 degrees Celsius. The dimensions of the cylinders are 19 inches (480 mm) long, 4.25 inches (108 mm) diameter, and weight under 2.7 kilograms (6.0 lb). At a two-liter per minute flow the cylinders last approximately 6.5 hours each. [7]

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   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

7. Orthodontic headgear - Wikipedia

   en.wikipedia.org/wiki/Orthodontic_headgear

   Face frame: first, the face frame is a metal and plastic structure which is adjusted to fit onto the patient's face. The frame is normally stabilized on the child's face with the aid of a chin cup and a forehead pad. These are padded to ensure patient comfort. (Designs that do not require any form of chin cup also exist.)