Nuclear power plants

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Across
  1. 2. Contain the uranium
  2. 5. increases the cost of a nuclear plant
  3. 6. Is formed by neutrons and protons
  4. 8. Its job is slowing down neutron speed
  5. 9. The material the nuclear reactor container is made of
  6. 12. Uncontrolled reaction
  7. 13. Its job is to recycle steam
  8. 14. A sub-product of fission reaction
  9. 15. The major problem of a nuclear plant
  10. 16. Is connected to a turbine to produce electricity
  11. 17. One of the most dangerous fission product
Down
  1. 1. When low, rises the probability of fission reaction
  2. 2. The action of splitting a nucleus
  3. 3. After this time radiation is decreased by 50%
  4. 4. forces liquid to circulate
  5. 7. Allow to take under control fission reactions
  6. 10. Difference between initial and final mass
  7. 11. Is capable to rotate a turbine
  8. 13. Allows to exchange heating
  9. 18. Uranium isotope used in nuclear plants