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All About Gas Masks and Filters

Tuesday , 27, October 2020 Comments Off on All About Gas Masks and Filters

Gas masks and filters are used to protect the body from the harmful effects of chemical and biological agents. Many chemicals such as chlorine, hydrogen cyanide, phosgene, mustard agent and others were used during World War I. This caused a number of casualties among allied forces and created the need for the protective masks. Since […]

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