11.   City officials said Wednesday night they expected the steam power to be restored by Thursday morning.

12.   Ericsson had recognized that because of steam power and gun shells, wooden warships were obsolete.

13.   Finally steam power rendered this revolutionary technology obsolete.

14.   He explores the principles of siphons and steam power.

15.   Steam power may be the secret to a pollution-free car.

16.   The Monitor was the first Navy ship driven solely by steam power.