1. Some reactors siphon water into the input of the reactor's re-circulation pump . 2. These include are temperature controls, temperature maintenance controls, outlet temperature controls, and circulation pump controls. 3. Testing of Temelin's reactors resumed Wednesday after a leaking circulation pump caused the latest, monthlong, shutdown. 4. Liquid-cooled engines usually have a circulation pump . 5. The troubled Temelin nuclear plant will be shut down later Wednesday to fix a leaking circulation pump , officials said. 6. A hydraulic circulation pump failed, but this was worked around and it proved to have no impact on operations. 7. Testing of Temelin's reactors resumed Wednesday after a leaking circulation pump caused the latest, month-long, shutdown . ( pa-dj) 8. Many contaminated and activated materials were placed in the main circulation pump room beneath the pressure vessel and entombed in concrete. 9. In typical one-way plumbing without a circulation pump , water is simply piped from the water heater through the pipes to the tap. 10. A reactor at Ukraine's Yuzhna nuclear power plant came to a near-halt after a malfunction in its circulation pumps , officials said Wednesday.