"Petroleum Products" . "petroleum based-product" . . . "end products" . . "refined products" . . "petroleum based products" . "oil refining" . . "refined petroleum" . . . "intermediates" . . "product" . . "refined oils" . . . . "crude oil" . . "petroleum specialty" . "POL" . "petroleum" . "refined oil" . "Refined petroleum products" . "Oil products" . "products" . . "refined fuels" . "petroleum specialties" . "Petroleum product" . . "petroleum products" . . . "Refined oil" . . . "petroleum product" . "oil products" . "slack wax" . . . "Petroleum products tax" . . . . . "Petroleum product" . . . . . . . . .