| http://www.w3.org/ns/prov#value | - Its 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 and lubricants, asphalts and asphalts specialties; Petrochemicals, comprising the production of styrene, polystyrene, bi-oriented polystyrene (BOP
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