Gravitricity has developed GraviStore, an innovative gravity energy storage system that raises and lowers heavy weights in underground shafts – to offer some of the best characteristics of lithium-ion ...
ACS 6000 medium voltage drive improves availability for biggest mine hoist in China Baden, Switzerland, December 1, 2011 – ABB, the leading power and automation technology group, has announced that it ...
Should you have feedback on this article, please complete the fields below. Please indicate if your feedback is in the form of a letter to the editor that you wish to have published. If so, please be ...
DUSSELDORF, GERMANY, September 25, 2025 /EINPresswire.com/ -- WR Group Holding, led by entrepreneur Wadim Rosenstein, has acquired 100 percent of INCO engineering, a ...
ABB has successfully completed all tests and the no-load commissioning of its ACS 6000 drive, installed at the Ma JiaLiang coal mine’s main shaft hoist in Shanxi Province, China. ABB’s ACS 6000 drive ...
Should you have feedback on this article, please complete the fields below. Please indicate if your feedback is in the form of a letter to the editor that you wish to have published. If so, please be ...
Nuclear waste officials said work on an air shaft at the repository near Carlsbad resumed last month after a cable snapped in the shaft and caused a basket to fall more than 2,000 feet to the bottom.
When I was in grade school the older kids told me that if I dug a hole deep enough, I would end up in China. The idea fascinated me and I started my own shaft in a mine dump near an Aspen shaft.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results