extracción de gases 19
Gas extraction [is an industrial technique that allows you to retrieve from the depths of the Earth energies hidden such as gases and hydrocarbons that are converted into carburantantes and power for motors, boilers and other machines. It requires high technology and large engineering works, both for its extraction as their storage and transportation. Such gases are used daily in everyday life and in the civilized world. These include methane, propane or gas butane. For them the coal is no longer profitable.
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