underground working उदाहरण वाक्य
उदाहरण वाक्य
- The explosions caused severe damage to the underground workings.
- Ore was extracted from underground workings until 1915, when a small open pit was dug.
- There are about 20 miles of underground workings.
- The hill is " honeycombed " with underground workings, reaching from the summit to depths of.
- Complex arrangements were written into the leases to ensure that the underground workings did not conflict.
- The land above the underground workings, together with the surface quarries, became a National Nature Reserve.
- Between 1975 and 2000 the lease to the underground workings at Dolaucothi was held by Cardiff University.
- The underground workings were deepened and the crown corporation sought out additional deposits of uranium across Canada.
- Idarado kept the underground workings and mill operations open at Telluride s Pandora hard-rock mine until 1978.
- Just after 8 : 00 am an explosion occurred in the west side of the underground workings.