There are several company's selling and inventing new gas masks.
yes gas masks were used
yes you did they were called mick mouse gas masks they were for children
You don't put gas into gas masks. They are used to keep out poisonous gases.
Not all gas masks are compatible with helmets, so some soldiers forgo helmets to wear their masks.
The reason they wore gas masks is because they weren't sure weather the Nazi's would drop gas bombs as they did in WW1
Separation of what? If it is the separation of East/West Germany then it is because gas masks were used in Gas Warfare, which was used in WWI and WWII.
yes they did!
They wore gas masks because it fit in with the theme of the video.
It was invented by Garrett A. Morgan in July 25, 1916.
They were called Gas Masks
how did gas masks change society? what
In the Metro 2033 universe, the gas masks used by the survivors are commonly referred to simply as "gas masks." They are essential for protecting against the toxic air in the post-apocalyptic underground environment. These masks often have filters that need to be replaced regularly to ensure safety from harmful contaminants outside. The gas masks are a critical piece of equipment for traversing the dangers of the metro system and the surface.