US Army became the largest gas mask prior to the entry of America into the First World War.
After the attacks in France, it is unlikely that modern combat troops that will be deployed against the Germans without the best equipment available to protect them from poisonous gas attacks. You can find best military tents online.
Factories that produce small quantities of respirator face masks for firefighters suddenly got big orders to be filled by American soldiers and their allies for their safety.
Money flows into overnight mushrooming industry for large business enterprises. Very minute production began in earnest in the existing model, tweaked to ensure its usefulness to the chemicals that are known at the time, research and development teams are working to improve the initial design.
British first built carbon monoxide respirator used during World War One German before the first use of chemical weapons.
Scientists have discovered that the enemy shells exploded emit very high levels of carbon monoxide gas.
This level is found high enough to kill soldiers within 100 meters of the device unexploded in the trenches, foxholes, and other small protected areas where carbon monoxide can concentrate further. The effect is similar to car exhaust when the car left running in a closed garage.