Crude oil crossword

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Across
  1. 2. fuel for trucks, large cars and industrial boilers
  2. 4. main fuel for cars
  3. 5. manmade material made from crude oil
  4. 6. a place where crude oil is turned into useful products
Down
  1. 1. fuel for planes and helicopters
  2. 2. a process used to separate oil into fractions
  3. 3. fraction of oil with highest boiling point used for road pavement
  4. 6. a country which is the second oil producer in the world
  5. 7. a part of car which burns fuel to move it