Chapter 10 Crossword
                                               
                                               
                                               
                                               
                                               
                                               
                                               
                                               
                                               
                                               
                                               
                                               
                                               
                                               
                                               
                                               
                                               
                                               
                                               
                                               
                                               
                                               
                                               
                                               
                                               
                                               
                                               
                                               
 
 
Down: 1) 2) 3) 4) 5) 9) 10) 11) 12) 19) 20)  Across: 3) 6) 7) 8) 13) 14) 15) 16) 17) 18) 21) 22) 23) Reheated and then cooled in a controlled manner to strengthen the metal and prevent it from becoming brittle.24) 
 

 

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