| http://www.w3.org/ns/prov#value | - The Company???s activities are structured in four business segments: Oil and Gas Exploration and Production, including the acquisition, exploration, exploitation and maintenance of oil and gas reserves; Refining and Distribution, focusing in the production of fuels, lubricants and asphalts; Petrochemicals, comprising the production of styrene, polystyrene, bi-oriented polystyrene (BOPS) and synthe
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