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Copper
Part 1 of Paper
....e broken down into differnet substances by
normal chemical means. Copper was one of the first metals known to humans.
People liked it because in it’s native condition, it could easily be beaten
into weapons or tools. Copper has been one of the most useful metals for over
5000 years. Copper was probably used around 8.... Part 2 of Paper
....zards. 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 o.... |
| Number of words: 664 - Approximate pages: 3 |
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