December 2011
Intermediate to advanced
640 pages
41h 57m
English
The use of petroleum seeps (bitumen, pitch, asphalt and tar found near the earth’s surface) began well before recorded time, when ancient cultures used them for waterproofing, for road and ship building as well as for lighting. However, it was not until the nineteenth century, when improved techniques were developed to extract oil from underground and the process of refining crude oil into kerosene was invented, that the industry began its journey to become an integral part of the global economy and our everyday life. In fact, the access to oil played a major role in both World ...
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