What can you tell me about masking walls?
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What kinds of celebrations or rituals were Aztec masks used for?
Where can I find a sleep apnia mask?
Where can I get some WW1 gas masks?
Who invented the first guitar?
Why did they use so many gas masks in World War 2?
safety who is
Question by andra (8)
Answer by Ronaldo91 (345)
The first American manufactured gas mask was patented on June 12, 1849, by Lewis Haslett, in Louisville, Kentucky. However prior examples date back to the 9th century.
Answer by j3212 (22)
The gas mask was invented by Lewis Haslett in 1849. Other designs for the gas mask were invented by Garrett Morgan later on in 1912.
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