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The Zelinsky-Kummant gas mask was the world's first gas mask [1] which had the ability to absorb a wide range of chemical warfare agents. The gas mask was developed in 1915 by Russian chemist Nikolay Zelinsky and technologist of the Triangle plant M.I. Kummant. [2] The design was later improved by I. D. Avalov and entered mass production.
During 1917, an additional mask strap was produced, intended to be worn around the head of the wearer. [4] The first model of the M2 mask was introduced during March 1916 and had a rectangular piece of cellophane glass for viewing, protected by a piece of glass in front of it. In April, the rectangle was replaced by two round pieces of ...
This is a list of the last known surviving veterans of the First World War (28 July 1914 – 11 November 1918) who lived to 1999 or later, along with the last known veterans for countries that participated in the war.
Before World War II, the events of 1914–1918 were generally known as the Great War or simply the World War. [1] In August 1914, the magazine The Independent wrote "This is the Great War. It names itself". [2] In October 1914, the Canadian magazine Maclean's similarly wrote, "Some wars name themselves. This is the Great War."
Fact check: Long-term face mask use will not cause lung cancer. Surgeon general reversed initial stance on masks. Adams did indeed discourage mask-wearing in a now-deleted tweet.
John-Henry Lee was on the transplant list for six months after being born with a rare heart condition. A 6-year-old boy couldn’t wait to tell everyone about his new donor heart after being on ...
Indiana Neidell and the producers of the channel tried a number of different show formats with only The Great War surviving. Mediakraft Networks, the production company of The Great War, originally planned to launch as well German, Polish and Turkish language versions of the show. [13]
Image credits: Jessica Koby His recovery included a groundbreaking 23-hour face and double hand transplant in 2020 at NYU Langone Health, making him the first person to successfully undergo such a ...