shaft mining उदाहरण वाक्य
उदाहरण वाक्य
- Most potash mines today are deep shaft mines as much as 4, 400 feet ( 1, 400 m ) underground.
- Sungai Lembing in the heyday was a large centre for shaft mining of " timah " better known as tin.
- At the time of completion of the third shaft, the Maurits mine was the largest two-shafts mine in the world.
- Improvements in stamping efficiency and cost increases in traditional shaft mining made these sand tailings economically feasible to reclaim and re-stamp.
- One of the four and 12 miners sent in to help were killed by a second, larger explosion in the deep-shaft mine.
- The company also operated the Pyne Mine, a vertical shaft mine, one of the most productive ore mines in the Birmingham District.
- Drift mines, as they require no machinery for pumping water and raising coal, cost less than half the amount required in shaft mining.
- Since regional coal mines were constructed with horizontal shafts, they were far less dangerous than the vertical shaft mines of Pennsylvania and West Virginia.
- Standard Shaft, sometimes just called " Shaft " by the locals, refers to the community that had in roots in the Standard Shaft Mine operation.
- These families might have been as deep in debt as they were into the slope and shaft mines, but they were a proud, hard-working lot.