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A diving mask (also half mask, dive mask or scuba mask) is an item of diving equipment that allows underwater divers, including scuba divers, free-divers, and snorkelers, to see clearly underwater. [ 1 ] [ 2 ] Surface supplied divers usually use a full face mask or diving helmet , but in some systems the half mask may be used. [ 2 ]
US Ambassador to Indonesia Sung Kim accompanied by local officials at the Presidential Palace wearing face masks amid the COVID-19 pandemic. During the COVID-19 pandemic, face masks or coverings, including N95, FFP2, surgical, and cloth masks, have been employed as public and personal health control measures against the spread of SARS-CoV-2, the virus that causes COVID-19.
Mexican mask-folk art refers to the making and use of masks for various traditional dances and ceremony in Mexico. Evidence of mask making in the region extends for thousands of years and was a well-established part of ritual life in the pre-Hispanic territories that are now Mexico well before the Spanish conquest of the Aztec Empire occurred.
Hussar from Husaren-Regiment Nr. 5 (von Ruesch) in 1744 with the Totenkopf on the mirliton (Ger. Flügelmütze). Use of the Totenkopf as a military emblem began under Frederick the Great, who formed a regiment of Hussar cavalry in the Prussian army commanded by Colonel von Ruesch, the Husaren-Regiment Nr. 5 (von Ruesch).
The laryngeal mask airway should be lubricated so that it can be placed more easily. [1] Once inserted correctly (and the cuff inflated where relevant), the mask conforms to the anatomy with the bowl of the mask facing the space between the vocal cords. [1] The tip of the laryngeal mask sits in the throat against the upper oesophageal sphincter ...
The mast of 72 m (237 ft), as measured from the design waterline (DWL), was at the time of construction the world's tallest yacht mast and continues to be the world's tallest aluminium one. The yacht had a retracting keel , allowing its draught to be reduced from 10 m (33 ft) to 4 m (13 ft). [ 4 ]
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