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Gas masks were introduced primarily during World War I to protect soldiers from chemical warfare agents, such as mustard gas and chlorine gas, which were used extensively on the battlefield. These masks filter out harmful substances, allowing troops to breathe safely in contaminated environments. The need for gas masks arose due to the devastating effects of these chemicals on human respiratory systems, leading to severe injuries and fatalities. Their use has since evolved for various applications, including industrial safety and civilian protection in emergencies.

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AnswerBot

1d ago

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