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  2. Naval mine - Wikipedia

    en.wikipedia.org/wiki/Naval_mine

    A naval mine is a self-contained explosive device placed in water to damage or destroy surface ships or submarines. Unlike depth charges, mines are deposited and left to wait until they are triggered by the approach of, or contact with, any vessel or a particular vessel type, akin to anti-infantry or anti-vehicle mines.

  3. Rajasthan State Mines and Minerals - Wikipedia

    en.wikipedia.org/wiki/Rajasthan_State_Mines_and...

    Rajasthan State Mines & Minerals Limited [1] (RSMML) is a public sector enterprise of the Government of Rajasthan and primarily engaged in Mining and Marketing of High Grade Rock phosphate, Lignite, Limestone & Gypsum (Non-Metallic minerals) through its mines located at various locations in Rajasthan. RSMML is a multiple location organization ...

  4. Rajmahal coalfield - Wikipedia

    en.wikipedia.org/wiki/Rajmahal_coalfield

    It was the third highest reserve in Jharkhand, after Jharia Coalfield (19.4 billion tonnes) and North Karanpura Coalfield (14.6 billion tonnes). While Raniganj Coalfield is the major producer of superior quality non-coking coal, Rajmahal is one of the coalfields that has power-grade coal at shallow depth (up to 300 m).

  5. Magnesium Dosage: How Much Should You Take per Day? - Healthline

    www.healthline.com/nutrition/magnesium-dosage

    Takeaway. The maximum recommended daily dose of magnesium for adults is 420 mg for males and 350 mg for females. However, some factors may influence your required dose, such as age and health ...

  6. Alpha Natural Resources - Wikipedia

    en.wikipedia.org/wiki/Alpha_Natural_Resources

    US$ 5.17928 bil (Dec'10) Website. www .alphanr .com. Alpha Metallurgical Resources is a large American producer of metallurgical coal ("met coal") for the industrial production of steel and iron and low-sulfur thermal coal ("steam coal") to fuel steam boilers for the production of electrical power. In November, 2018 the company was acquired by ...

  7. Knee Pain Location Chart: What Knee Pain May Indicate

    www.healthline.com/health/knee-pain-location-chart

    Pain above the knee. Pain above your knee can be caused by: Quadricep or hamstring tendinitis: Tendinitis happens when the tendons that attach muscles to your bones ( quadriceps and hamstrings ...

  8. What Does Magnesium Do for Your Body? - Healthline

    www.healthline.com/nutrition/what-does-magnesium-do

    Magnesium is a key mineral that the body uses to support healthy function. It helps maintain brain and heart function. In your diet, it may have health benefits including lower blood sugar ...

  9. Copper mining in the Democratic Republic of the Congo

    en.wikipedia.org/wiki/Copper_mining_in_the...

    The Katanga, or Shaba, copperbelt in the DRC is a belt about 70 kilometres (43 mi) wide and 250 kilometres (160 mi) long between Lubumbashi and Kolwezi formed in rocks of the Katanga Supergroup. There are 72 economic deposits of copper/cobalt and four large mining centers. [3] Taken together, the DRC and Zambian copper belts are the second ...