Posted by onlysunny
A Quarry crusher is a big man-made hole in the ground from where minerals or rock are taken out. Quarries are made when big deposits of commercially helpful minerals or rock are found close to the Earth’s surface.
Selection of Quarry crushers
Different quarrying crusher have different functions which have to be evaluated according to the following factors:
1. Type of rocks (hard, soft, abrasive, etc.)
2. Specific configuration of the quarry
3. Quarry yield or recovery (normally between 25 and 50%)
4. Value of the material
5. Requested production speed
6. Specific tool costs
7. Machine depreciation
8. Labor cost
crusher machine: http://www.chinastonecrusher.net/products/crushing/
Posted: 10:43 pm, May 25th, 2014 in Philadelphia Eating
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