View of Pemex Oil Refinery, Tula general, Mexico.   - ©Chris Sharp
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View looking down Tula pipelines going to Pemex Oil Refinery in Mexico, a major oil producer.   - ©Chris Sharp
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Petro-Chemical industry engineer inspects valves Poza Rica complex, Mexico.   - ©Chris Sharp
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Drilling platforms, offshore petroleum industry, tabasco, Gulf of Mexico, Mexico   - ©Carlos S. Pereyra
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Pemex-Chemical Industry Engineer wearing protective clothing, Tula, Mexico.   - ©Chris Sharp
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Tula storage tank with pemex sign and distillation towers, Pemex Oil Refinery, Mexico.   - ©Chris Sharp
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Tula oil and gas storage tanks, Pemex Oil Refinery, Mexico.   - ©Chris Sharp
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View of complex, Pemex Petro-chemical Industry, Mexico.   - ©Chris Sharp
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Tula-engineers checking pipe construction, Pemex Petro-chemical Industry, Mexico.   - ©Chris Sharp
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Pemex Oil Refinery Tula, Mexico, a major oil producing nation.   - ©Chris Sharp
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Pemex Storange tanks Poza Rica, Petro-Chemical Industry, Mexico, countrys major industry.   - ©Chris Sharp
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Loading oil products on tankers for export, Coatzacoalcos Port-Oil tanker port, Mexico.   - ©Chris Sharp
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Silos at Coatzacoalcos Chemical Plant, a petro product using facility, Grupo Norte, Mexico.   - ©Chris Sharp
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Scientists at work in an Oil Refinery laboratory, Salamanca, Guanajuato, Mexico.   - ©J. P. Courau
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Drilling platforms, offshore petroleum industry, tabasco, Gulf of Mexico, Mexico   - ©Carlos S. Pereyra
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Drilling platforms, offshore petroleum industry, tabasco, Gulf of Mexico, Mexico   - ©Carlos S. Pereyra
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Drilling platforms, offshore petroleum industry, tabasco, Gulf of Mexico, Mexico   - ©Carlos S. Pereyra
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Drilling platforms, offshore petroleum industry, tabasco, Gulf of Mexico, Mexico   - ©Carlos S. Pereyra
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Drilling platforms, offshore petroleum industry, tabasco, Gulf of Mexico, Mexico   - ©Carlos S. Pereyra
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Drilling platforms, offshore petroleum industry, tabasco, Gulf of Mexico, Mexico   - ©Carlos S. Pereyra
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Gas storage tanks, Pemex Oil Refinery, Tula, Mexico   - ©Chris Sharp
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Pemex Oil Refinery, Tula, Mexico   - ©Chris Sharp
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Pipelines going to Pemex Oil Refinery, Tula, Mexico   - ©Chris Sharp
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Storage tanks and distillation towers, Pemex Oil Refinery, Tula, Mexico   - ©Chris Sharp
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Pemex Oil Refinery, Salamanca, Guanajuato, Mexico   - ©Chris Sharp
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Pemex Oil Refinery, Tula, Mexico   - ©Chris Sharp
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Pemex Oil Refinery, Tula, Mexico   - ©Chris Sharp
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Pemex Oil Refinery, Tula, Mexico   - ©Chris Sharp
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Desulphuring plant, Pemex Oil Refinery, Tula, Mexico   - ©Chris Sharp
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Engineers checking pipe construction, Petro-chemical industry, Pemex, Mexico   - ©Chris Sharp
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Engineer protective clothing, Petro-chemical industry, Pemex, Mexico   - ©Chris Sharp
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Engineer protective clothing, Petro-chemical industry, Pemex, Mexico   - ©Chris Sharp
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Engineers checking pipe construction, Pemex Petro-Chemical Industry, Mexico   - ©Chris Sharp
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Engineer reading computer printout on chemical content, Pemex Oil Refinery, Mexico   - ©Chris Sharp
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