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Results 21 - 25 of 25 for Hydraulic Oil
  • Article - 23 Nov 2017
    The extraction of sand, gravel, oil and gas from seas has taken place for several decades, however recent discoveries of other rich mineral deposits on the seafloor, in addition to advancing...
  • Article - 22 Jun 2017
    A submersible developed in 1964 by the U.S. Navy called Alvin was one of the first of its kind with the ability to go to a depth of 14,800 feet for up to 10 hours.
  • Article - 20 Dec 2019
    Water run-off from quarry operations may contain solids that could cause water pollution, smother aquatic life or cause flooding by blocking channels. It is therefore important to design a quarry well...
  • Article - 2 Nov 2021
    Coal is currently the key energy source in China, and this condition will not change for the foreseeable future. A majority of the coal mines are underground, involving more mining risks than open-pit...
  • Article - 20 Oct 2021
    Filho, W et al. recently released a journal paper looking at the legal aspects of deep seabed mining (DSM) and the environmental risks it poses. The paper also suggests key issues miners will need to...

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