the invention that led up to the gas mask was a cloth in front of your face
it was a cover for de lacing of people, to prevent up risings but was the death gas chamber
New inventions and products allowed people at home and work to be more productive. Also it opened up new jobs.
amercian gas mask not very much. German gas mask of WW2 are a lot higher in price
up to 24 hours
Up to 24 hours
It is not normal for a military gas mask to fog up.
dolls
metronome
You should be sitting down or standing up when you size your gas mask.
Pencil, Feather+Ink.
Shoes and ball bearings.
Gutenberg's printing press. Also was the typewriter.
the first computer people needed a portable computer
40 dollar and up
For my homework I had to name different types of masks :) here's what I came up with - FACIAL MASK, MASQUERADE MASK, GAS MASK, Scuba MASK, WELDING MASK + SURGICAL MASK!! If you can think of anymore please do improve this answer - hope I have helped Ali x
For my homework I had to name different types of masks :) here's what I came up with - FACIAL MASK, MASQUERADE MASK, GAS MASK, SCUBA MASK, WELDING MASK + SURGICAL MASK!! If you can think of anymore please do improve this answer - hope I have helped Ali x
Petroleum