Mustard Gas WAS very effective.
Portable gas detectors can, in fact, detect gas, however they aren't always very effective, and tend to break down. If you think you have a gas leak, call in some experts to help you find the source just to be on the safe side.
There are plenty of advantages of gas fridge for a cottage. However, the main effective which a gas fridge for a cottage is running even when the electricity is off.
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because it was effective
Natural gas is generally more cost effective since it cooks quicker and costs less.
A gas refrigerator is only cost effective when there is no access to electrical outlets. They are otherwise costly and are used mostly for travel trailers and RVs.
Because poison gas was used against soldiers in the trenches in WWI, gas attack was feared in WWII. Poison gas was rarely used in WWII, except in the German death camps, where 11 million people (including 6 million Jews) were gassed to death. Poison gas in not an effective weapon in combat, if it rains the rain can disperse it, and the wind can blow it back at the side that's using it.
The most effective tool for gas mileage comparisons is at gasmycar dot com. That site has the best tool for doing this type of research and information desired.
A gas mask showing disbonding would not be effective or serviceable.
bio gas is very useful and it is not causing any pollution and it is also cost effective and the gas emmited by it are used for cooking and it is also
Chlorine gas is the most economical and effective disinfectant for drinking water.