| http://www.w3.org/ns/prov#value | - Thus, according to an exemplary embodiment, a blowout preventer for sealing a well may include the following elements: a body having first and second chambers, the first chamber extending substantially perpendicular to the second chamber and also intersecting the second chamber, the body including a first channel on a first face of the body and a second channel on a second face of the body, the fi
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