Ashvendra sharma
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Posted 6 year ago
Bhumi me tel ka kese pata chalta hai ?
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Mitesh Sharma
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Posted 6 year ago Mitesh Sharma

In ancient times, oil was collected after it seeped to the earth's surface. Modern oil collection involves the use of a drilling rig to bore a hole thousands of meters below the earth's surface. Rather than using a drill to test random spots for oil presence