11.   Once production was under way there came a great demand for the engines from the ore mines of Cornwall.

12.   Production is now in full swing - a busy time on the road to success.

13.   The ballet production was letter-perfect.

14.   When the horse is resting, this heat production is minimal because the muscle cells are fairly inactive.

15.   Oil production is down from its peak of two years ago.

16.   The whole production was just a disaster!

17.   Production is more or less at a standstill.

18.   Even die-hard opera fans are finding this production to be a real yawner.