>>1952389>What’s up with old coal mines that make them more deadly than others desu?Explanation:
The air in mines can be contaminated by the presence of other gases such as carbon monoxide, hydrogen sulfide, methane, and excess of carbon dioxide.
Due to being in a confined space these gases are not always able to disperse and can therefore build up in the mine, and due to their combustible, explosive, or toxic qualities this is a serious issue.
These other gases are often referred to as mine damps. This name comes from the German word Dampf meaning “vapour”.
Rather than one particular gas they are a toxic or explosive mixture of different gases that have a varying effect on human health and mine safety.
These damps are produced or released during mining operations including drilling and blasting, by mining machinery such as diesel and gasoline motors, and by other means such as the decay of timbers, the aftereffects of mine fires, and chemical processes like oxidation.
Local example (This mine was operating too.) :
https://nzhistory.govt.nz/culture/pike-river-mine-disasterI work in mining. A colleague went to teach the Chinese about underground coal mining.
Turns out they only have to report accidents of 10 or more deaths to the state.
They work in crews of 9.
Honestly, you couldn't make this shit up.