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2. Motorcycle helmet - Wikipedia

   en.wikipedia.org/wiki/Motorcycle_helmet

   An open face helmet or "three-quarters" helmet covers the ears, cheeks, and back of the head, but lacks the lower chin bar of the full face helmet. Many offer snap-on visors that may be used by the rider to reduce sunlight glare. An open face helmet provides the same rear protection as a full face helmet, but little protection to the face, even ...

3. 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]

4. Emesa helmet - Wikipedia

   en.wikipedia.org/wiki/Emesa_helmet

   The face mask hangs from the head piece by a central hinge, and would be fastened with straps connecting a loop under each ear with corresponding holes in the neck guard. [1] [2] [3] The entire helmet, the iron core of which is between 1 and 6 millimetres thick, [4] weighs 2.217 kg (4.89 lb), of which the face mask comprises 982 g (2.16 lb). [2 ...

5. Bell Sports - Wikipedia

   en.wikipedia.org/wiki/Bell_Sports

   In 1945, he purchased the store for $1,000. [2] Richter produced his first race car helmets in 1954. The "Bell Helmet Company" was established as a division of Bell Auto Parts in 1956. [2] Bell introduced its Star model, the first full-face motorcycle helmet on the market, in 1968. [4] In 1971, Bell produced the first full-face off-road ...

6. Underwater diving emergency - Wikipedia

   en.wikipedia.org/wiki/Underwater_diving_emergency

   A full-face mask is more of a problem, but it can be rinsed and cleared quite easily. Vomiting in a demand helmet is more risky as it is not practicable to rinse to clear, and There is a risk of aspiration of vomit trapped in the helmet air passages, with possibly fatal consequences.

7. Headgear (martial arts) - Wikipedia

   en.wikipedia.org/wiki/Headgear_(martial_arts)

   There are different types of boxing headgear available. Some headgear is open-faced. This is the style normally used in amateur boxing competitions. Unlike open-faced headgear, training headgear covers the cheek. "Face-saver" headgear features a pad across the face so that no direct contact is made to the face.