deep mining उदाहरण वाक्य

उदाहरण वाक्य

1. Extensive deep mining took place in the watershed of Rausch Creek in the early 20th century.
2. And even more in a deep mine?
3. We believe the closing of this is the beginning of the end of the deep mining industry.
4. The death of the deep mines after the Knox Mine Disaster of 1959 also diminished the town.
5. A manager and a technician who entered the 70-meter ( 231-foot )-deep mine also died, it said.
6. The closure of Tower saw the last of the deep mines in Wales come to an end.
7. It was the last deep mine in the UK to extract coal from right under the sea.
8. Deep mining in the watershed ended in the 1950s, but strip mining continues in the 21st century.
9. There were collieries here and opencast coal sites cleared many of the deep mines in April 1958.
10. Coal mining was a profitable enterprise and seven coal beds were deep mined and later strip mined.