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INVENTORY
9 Months Ended
Sep. 30, 2017
INVENTORY [Abstract]  
INVENTORY
8. INVENTORY

Inventories consist of the following (U.S. dollars in thousands):

  
September 30,
2017
  
December 31,
2016
 
       
Raw materials 
 
$
95,339
  
$
108,276
 
Finished goods 
  
157,131
   
141,660
 
  
$
252,470
  
$
249,936