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im pretty sure that the filter on the side or front of a gas mask filters the air and when you exhale it goes out a part that only passes air out... close enough.. that's what mine does
Wiki User
∙ 12y ago
Wiki User
∙ 13y agoNot by a lot. It made it possible for a relatively small group of people to survive exposure to a toxic environment. It also was very useful to help people in danger.
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Is a hospital gas mask harmful to people?
People do not wear gas masks in hospitals. A gas mask is an item of military equipment intended to protect against poison gas such as chlorine, phosgene etc. In hospitals, people sometimes wear face masks to filter infectious agents out of the air. This is not harmful in any way.
How do you avoid bad air in a coal mine?
People wear gas masks to protect themselves
To change a gas to a liquid?
* To change a gas into a liquid you need to evaporate the gas by heating it
Gas weuse in the kitchen is LPG In the cylinder it exist as a liquidWhen it comes out from the cylinder it becomes agaschange-athen it burns change-bWhat type of change is change-a physical or chmical?
change a when the gas goes from liquid to gas is a physical change. Change b when the gas burns is a chemical change
What is the phase change in which substance change form a gas to aliquid?
Condensation is the phase change in which substance change form a gas to a liquid.
How did the gas mask change society?
how did gas masks change society? what
What is the name of the gas that was put in gas-masks in World War 2?
You don't put gas into gas masks. They are used to keep out poisonous gases.
What were the masks called the children had to wear in world war 2?
They were called Gas Masks
Who wore gas masks in World War 2?
everyone
Did Germans have gas masks in World War 2?
yes................
What did the children from World War 2 carry with them?
Gas masks.
What fruits were used in gas masks in World War 1?
apples
Did they have a Mickey Mouse gas masks for children in the world war 2?
no
How long did they have to wear there gas masks for in World War 2?
Whenever there was a gas attack or the prospect of a gas attack.
What did gas masks do?
Gas masks are used to protect people especially soldiers when gases are used in warfare or domestic disturbances. They were used in World War I to protect soldiers against mustard gas.
Did they use gas masks in WW1?
yes gas masks were used
Why did they have gas masks in World War 2?
They had them in case poison gas was used in the war. Fortunately it wasn't.
