worker tablet in hand at oil refinery plant for investment business concept.

worker tablet hand oil refinery plant investment business concept walkietalkie safety helmet hardhat holding toxic metal energy construction power chemicalworkers engineers chemical industrial environment engineering gas factory steel fuel pollution gasoline distillery industry oilpipes corporate handoilrefinery chemicalrefinery gaspipes technology engineer equipment oilworkers production petrochemical dangerouswork pipes petroleum oilindustry chemicalindustry refinerypipelines explosive fueltanks pipeline storage danger gasrefinery double exposure standing invesment plane traspotation background