1 | The graphite is mined in Ceylon. | |
2 | The graphite is mined in Ceylon. | |
3 | Scope: Coal mining . Coal mining. | |
4 | Strip mining deforms the landscape. | |
5 | Scope: Dolomite mining. Dolomite mining. | |
6 | Lidan, dolomite, Li Shi metres mining processing. | |
7 | They'd mined the hillside for tin. | |
8 | Their tasks were to acquire wood from Nanmu tree. | |
9 | Can the region exploit its hidden treasures and keep locals happy, too? | |
10 | All the easy gold has been mined already. | |
11 | The Arctic operating environment however is extremely hostile. | |
12 | This old coal face is to be reworked next week. | |
13 | Their new mining method rates with the coal-miners. | |
14 | The rare pink diamond was mined in South Africa. | |
15 | As early as 6000 B. C. Dushan Jade has been mined. | |
16 | Deposits of coal, silver, copper, manganese are being mined in Guizhou. | |
17 | 矿工们使用传统的手工方法进行煤炭开采。
The miners excavated the coal using traditional manual methods. | |
18 | Pollution and overexploitation have damaged the local ecosystem. | |
19 | Some of the world's supply of salt is mined as rock salt. | |
20 | Placer mining: Oldest method of recovering gold from alluvial deposits. |