Heat transfer

Crossword

Complete the crossword, 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.
1      2                  
                    
    3                  
           4      5       
    6                  
                    
7                      
           8           
9                      
              10       11   
12         13               
           14           
                    
                    
      15                
           16   17          
                    
  18           19