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Zipair operates two cabins and classes of service on its aircraft, consisting of a premium cabin with 18 Zip Full-Flat seats arranged in a 1–2–1 configuration, and an economy class cabin with 272 standard seats in a 3–3–3 configuration, in contrast to parent company Japan Airlines which arranges its Boeing 787 economy class seats in a ...
Face masks during the COVID-19 pandemic; Hypomimia or masked facies, a medical sign; Full-face diving mask, for underwater diving; Simple face mask, for oxygen therapy; All pages with titles containing face mask or face masks; All pages with titles containing facemask or facemasks; All pages with titles beginning with Face 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]
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Diving mask covering the eyes, nose and mouth, and which provides the diver with breathing gas full-face snorkel mask. See: Snorkel (swimming)#Full-face snorkel masks. Diving mask with one or more shut-off valve fitted breathing tubes, covering the eyes, nose and mouth and supplying the user with atmospheric air while face down on, or slightly ...
Having a small internal orinasal mask inside the main mask, which separates the external respiratory passage from the rest of the mask interior. In a few models of full face mask a mouthpiece like those used on diving regulators is fitted, which has the same function as an oro-nasal mask, but can further reduce the volume of the external dead ...
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A full-face mask may allow the diver to breathe through the nose or mouth as preferred. The demand valve adds a little respiratory dead space to the airway. The work of breathing is greater due to hydrostatic pressure differences between the depth of the demand valve and the lungs, and due to cracking pressure and flow resistance in the demand ...