Nuclear Power Plant

Complete the crossword about the parts of nuclear power station. Then click on "Check" to check your answer. If you are stuck, you can click on "Hint" to get a free letter. Click on a number in the grid to see the clue or clues for that number.
(For two or three word expressions, there are no spaces between the words!)
1              2        
                  
  3                  
                  
      4              
                  
 5                6     
              7      
  8                  
                  
       9             
   10                 
                  
  11                  
                  
                  
 12