In an oil refinery and in a chemical works, crude oil and gas are turned into hundreds of useful products.
How do these products get to the customer?
Thousands of people are employed to make sure all these useful products get to the millions of people in Britain and overseas who wat to buy them everyday.
Many thousands of people are employed in Britain's oil and gas industry. Many of these work to get petrol and diesel fuel to where it is wanted - Britain's 10,000 filling stations - for motorists, lorrydrivers, taxis and buses.
Make a list of the jobs involved in finding and getting oil from under the ground to the petrol and diesel fuel at the filling station pumps.
Don't forget to include exploration, drilling, refining, transporting, selling and all the supporting jobs.