Copper

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to be always in danger in copper mines. Today, we have reduced a fair
amount of these hazards. Miners wear hats made of iron or very hard plastic.
This is to protect them from falling rocks. Lamps are also attached to these
helmets in case some of the lighting in the mine goes out leaving a miner
stranded in the dark. One of the biggest problems with mining is that in some
places dangerous gas’s may exist, like Carbon Monoxide. In the past we had very
cruel and inhuman ways to detect harmful gases. One of these ways was the use of
canaries. Miners would let them fly into a part of the mine where a poison gas
was suspected. If there was a harmful gas, the bird would fall over dead at the
first scent of the gas. Today, we have better ways to detect gases without
having animals die. We now have detection machines in all parts of mines. Mines
also have top of the line fire alarms and water systems. If a flammable gas
ignites, like sulfur, the fire may not die for years, which ...

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