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Drowning is a type of suffocation induced by the submersion of the mouth and nose in a liquid. Submersion injury refers to both drowning and near-miss incident. Most instances of fatal drowning occur alone or in situations where others present are either unaware of the victim's situation or unable to offer assistance.
The instinctive drowning response is an instinctive reaction that occurs in humans, particularly in non-swimmers, when close to drowning.It is focused on attempting to keep the mouth above water to the exclusion of useful effort to attract help or self rescue, and is often not recognized by onlookers.
United States Navy SEAL trainees with arms and legs tied during a drownproofing exercise.. In Drownproofing terminology, the great majority of people are "floaters". That is to say that, with the lungs fully inflated (or say at total lung capacity), they have slightly less specific gravity than water and will not start to sink until they exhale. [8]
Freediving blackout, breath-hold blackout, [1] or apnea blackout is a class of hypoxic blackout, a loss of consciousness caused by cerebral hypoxia towards the end of a breath-hold (freedive or dynamic apnea) dive, when the swimmer does not necessarily experience an urgent need to breathe and has no other obvious medical condition that might have caused it.
This is an accepted version of this page This is the latest accepted revision, reviewed on 6 February 2025. 1919 accident in Massachusetts, United States Great Molasses Flood The wreckage of the collapsed tank is visible in background, center, next to the light-colored warehouse Date January 15, 1919 ; 106 years ago (1919-01-15) Time Approximately 12:30 pm Location Boston, Massachusetts, U.S ...
There are four possible answers that the moon blocks can produce: Shèngjiǎo (聖筊, divine answer): One block flat and another block round is a 'yes' answer. Nùjiǎo (怒筊, angry answer) also kūjiao (哭筊, crying answer) or méijiǎo (沒筊, no answer): Both blocks flat facing floor is a 'no' answer. It is said that the gods are ...
If the former command is added twice to an undo stack, both items on the stack refer to the same command instance. This may be appropriate when a command can always be undone the same way (e.g. move down). Both the Gang of Four and the Java example below use this interpretation of the term command. On the other hand, if the latter commands are ...
Pluto holding a bident in a woodcut from the Gods and Goddesses series of Hendrick Goltzius (1588–1589). A bident is a two-pronged implement resembling a pitchfork.In Greek mythology, the bident is a weapon associated with Hades (), the ruler of the underworld.