The county is also rich in oil and natural gas.

Was that a smile in return or just gas, as they said?

However, they do not stop the trade in oil and gas, the major source of Iran's income.

This time, though, the coming squeeze is in natural gas rather than oil.

Only countries rich in oil and gas can avoid serious problems, the experts said.

"Said he works in oil and gas on the ninth floor."

"Travel a little, pay three or four dollars in gas."

Specific regulations apply if you trade in oil and gas.

But he said that in general offshore oil and gas development was essential for the nation's economic security.

Bake in oven at 200c or gas mark 7 for 12 minutes.