Joy Mining Machinery videos
Exercise 1 True or false (stop the video at 1:50)
1. Coal can be found on every continent.
2. Coal is mined only in 17 countries.
3.The biggest coal reservs are in Europe.
4. Coal is used in over 40,000 products.
5. Over 50% of electicity comes from coal.
6. Joy started production of coal machinery in 1909.
Exercise 2
Describe the principles of room and pillar mining.
Tips - link
Official site -www.joy.com (you can find some educational texts on mining)
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.
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1. Coal can be found on every continent.
2. Coal is mined only in 17 countries.
3.The biggest coal reservs are in Europe.
4. Coal is used in over 40,000 products.
5. Over 50% of electicity comes from coal.
6. Joy started production of coal machinery in 1909.
Exercise 2
Describe the principles of room and pillar mining.
Tips - link
Official site -www.joy.com (you can find some educational texts on mining)
.
.
.
SILVER MINING Discovery Channel
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