engineering working hold tablet in front of oil refinery power station

chemical chemicalindustry chemicalrefinery chemicalworkers construction corporate danger dangerouswork distillery energy engineering engineers environment explosive factory front fuel fueltanks gas gasoline gaspipes gasrefinery globalwarming hold industrial industry jacket metal oil oilindustry oilpipes oilrefinery oilworker petrochemical petroleum pipelines pipes plant pollution power refinery refinerypipelines reflective station steel storage tablet toxic wearing wering worker working