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Non-rebreather mask. A non-rebreather mask ( NRB, non-rebreather, non-rebreather facemask, etc.) is a device used in medicine to assist in the delivery of oxygen therapy. A NRB requires that the patient can breathe unassisted, but unlike a low-flow nasal cannula, the NRB allows for the delivery of higher concentrations of oxygen.
A goaltender mask, commonly referred to as a goalie mask, is a mask worn by goaltenders in a variety of sports to protect the head and face from injury from the ball or puck, as they constantly face incoming shots on goal. Some sports requiring their use include ice hockey, lacrosse, inline hockey, field hockey, rink hockey, ringette, bandy ...
A breathing mask is a mask that covers the mouth, nose, and optionally other parts of the face or head, designed to constrain and direct the wearer's breath to and/or from a particular breathing apparatus.
Emesa helmet. The Emesa helmet (also known as the Homs helmet) is a Roman cavalry helmet from the early first century AD. It consists of an iron head piece and face mask, the latter of which is covered in a sheet of silver and presents the individualised portrait of a face, likely its owner. Decorations, some of which are gilded, adorn the head ...
A cloth face mask is a mask made of common textiles, usually cotton, worn over the mouth and nose. When more effective masks are not available, and when physical distancing is impossible, cloth face masks are recommended by public health agencies for disease "source control" in epidemic situations to protect others from virus laden droplets in ...
Pinocchio paradox. Pinocchio paradox causes Pinocchio's nose to grow if and only if it does not grow. The Pinocchio paradox arises when Pinocchio says "My nose grows now" and is a version of the liar paradox. [1] The liar paradox is defined in philosophy and logic as the statement "This sentence is false." Any attempts to assign a classical ...
Up to 3 million. The Carnival of Venice ( Italian: Carnevale di Venezia) is an annual festival held in Venice, Italy, famous throughout the world for its elaborate costumes and masks. The Carnival ends on Shrove Tuesday ( Martedì Grasso or Mardi Gras ), which is the day before the start of Lent on Ash Wednesday .
Guy Fawkes mask. The Guy Fawkes mask (also known as the V for Vendetta mask or Anonymous mask) is a stylised depiction of Guy Fawkes (the best-known member of the Gunpowder Plot, an attempt to blow up the House of Lords in London on 5 November 1605) created by illustrator David Lloyd for the 1982–1989 graphic novel V for Vendetta.