opencast mine उदाहरण वाक्य

उदाहरण वाक्य

1. Opencast mining operated between 1985 and 1995.
2. Private adit mining and opencast mining ceased in 1994 with the exhaustion of economic reserves.
3. NCL produces coal through mechanised opencast mines but its commitments towards environmental protection is total.
4. Mines now in operation are better managed under opencast mining as compared to the past.
5. To increase wartime coal production, the government introduced opencast mining all over the country.
6. All the deep coal mines in the area have closed, but opencast mining still continues.
7. Extensive opencast mining has taken place in more recent times and still continues in the area.
8. However opencast mining and small scale adit mining carried on in Cheadle up until the 1990s.
9. In 1965 plans were drawn up to opencast mine the coal seam beneath Radcliffe and Newbrough.
10. The installation was carried out between 1988 and 1991 in the Klettwitz-Nord opencast mine.