ore extraction उदाहरण वाक्य
उदाहरण वाक्य
- The city of Kiruna was founded in 1900 and quickly became a major centre of iron ore extraction and mining industry.
- This form of mining utilizes horizontal or nearly horizontal ( slightly declined ) shafts for ore extraction from sandstone or crag.
- There is significant confirmation of Roman industrial occupation within the wood with many iron ore extraction pits and evidence of a bath house.
- Iron ore extraction was reduced in the later half of the twentieth century, to be substituted by foreign imported ores of better quality.
- Apart from iron ore extractions, cement, diamond, gold, and petroleum resources have also been given due importance to enrich the economy of the country.
- The company reflected the vertical integration fashionable at the time embracing activities from coal and ore extraction, and iron and steel making to manufacturing finished goods.
- In comparison with January-May 2009 iron ore ( in kind ) increased by 0.8 %, bauxite by 9.5 %, and zinc ore extraction increased 4.5 times.
- When compared to surface mining, which requires overburden removal prior to ore extraction, underground mining operations tend to have lower stripping ratios due to increased selectivity.
- Bhushan also filed a PIL against illegal iron ore extraction in Goa, which led to the Supreme Court halting all the mining operations in the state.
- Remaining evidence leaves no doubt that alongside ore extraction, the large amount of copper was melted here for the casting of tools [ fig . 9 ].