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Published byAlberta McKinney Modified over 9 years ago
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I was born in Kentucky in 1877 I only had a sixth-grade education I have a business with my wife I worked on a farm as a kid When I got older I moved to Cleveland, Ohio to find a new job. I got hired to study English grammar Me
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what it is? A gas mask is used for chemicals It protects from fumes from paints It does not protect gases that can absorb to the skin Construction site use them to protect from welding fumes
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What it does? It protects from toxic gases and bacteria It forms a seal around your face It helps the military from gases that they can die from The S.W.A.T. team also uses it from seeing in the smoke
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How it works? When you breathe it activates the charcoal filter. Then through a charcoal dust filter. Then in to your lungs. But when the charcoal becomes saturates you have to replace it.
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Changes over the years Once the mask was container to a container filled with air but that was to heavy. Then with a mask with no eye protection for different uses. The new gas masks are so much lighter now.
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..http://science.howstuffworks.com/gas-mask1.htm Credits
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