11.   An expensive cooling system had to be devised and installed.

12.   An hour later, the cooling system was restored, and the submarine was towed to shore, where the reactor block was replaced.

13.   An American spokeswoman in Chicago said mechanics ran into trouble Wednesday night trying to find a bolt to fix the engine cooling system.

14.   An internal study found that sections of pipe in the primary component cooling system did not have enough valves to relieve pressure in an accident.

15.   And it told DuPont to warn in its advertisements that its antifreeze Zerex could damage automotive cooling systems.

16.   Another time, Siemens executives needed to know in a hurry how much water they could take out of the River Tyne for use in cooling systems.

17.   Aquafine equipment is also used for beverage and pharmaceutical production, shrimp farms, aquariums and building cooling systems.

18.   As a physicist at Urals State University, he spent years designing cooling systems for Soviet rockets.

19.   Astronauts on the fourth spacewalk are to install the electronic components of the cooling system.

20.   At some meat companies, the cooling system was down at least five days.