Drilling

Revision as of 15:17, 28 January 2013 by Planner (talk | contribs) (Created page with "Petroleum requires to be extracted from the ground and processed into more valuable resources. A refinery can be built to convert petroleum into fuel and plastic.")

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Revision as of 15:17, 28 January 2013 by Planner (talk | contribs) (Created page with "Petroleum requires to be extracted from the ground and processed into more valuable resources. A refinery can be built to convert petroleum into fuel and plastic.")

(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)

Petroleum requires to be extracted from the ground and processed into more valuable resources.

A refinery can be built to convert petroleum into fuel and plastic.