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[Physical Laws]
pp- 2-7  
 
[Physical Laws]
pp- 2-7  
 
[Physical Laws]
pp- 2-7  
 
[Physical Laws]
pp- 2-7  
 
[Physical Laws]
pp- 2-7  
 
[Physical Laws]
pp- 2-7  
 
[Physical Laws]
 
pp- 2-7  
 
 
 
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