Streptomycin is also occasionally used to treat infections such as brucellosis and endocarditis. As for TB, when treating these infections, streptomycin should be used in combination with another antibiotic to help prevent resistance occuring.
DEFINITION of 'Oil Shale'. A type of sedimentary rock composed chiefly of a combination of silt and clay. Shale may contain kerogen, a type of organic matter that yields oil and gas.
And the shale definition is more than just natural gas, the Energy Information Agency (EIA) reports : Shale plays known primarily for natural gas production-or where horizontal drilling initially targeted natural gas-are also seeing accelerating oil-focused drilling..mpacts of shale oil reserve resources. The EIA reports that over 750 trillion cubic feet of technically recoverable shale gas and 24 billion barrels of technically recoverable shale oil resources in discovered shale plays.