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INVENTORIES
12 Months Ended
Dec. 31, 2017
Inventory Disclosure [Abstract]  
INVENTORIES
NOTE 4          -      INVENTORIES

Inventories consist of the following:
 
   
As of December 31,
 
   
2017
   
2016
 
Raw materials
 
$
48,220
   
$
26,296
 
Work in process
   
92,764
     
105,564
 
Finished goods
   
2,331
     
5,672
 
   
$
143,315
   
$
137,532
 
 
Work in process and finished goods are presented net of aggregate write-downs to net realizable value of $1,352 and $1,391 as of December 31, 2017 and 2016, respectively.