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refinery icon. vector.Editable stroke.linear style sign for use web design,logo.Symbol illustration.
teamwork: group of industrial workers in a refinery - oil processing equipment and machinery
Male worker inspection at the exchanger of tank oil refinery pipeline plant steam vessel and column tank oil of Petrochemistry industry.
Oil refinery in Abadan, Portrait from Iran 100 Rials 1961 Banknotes.
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