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INVENTORIES (Tables)
12 Months Ended
Dec. 31, 2019
Inventory Disclosure [Abstract]  
Schedule of Inventory
   
US dollars
 
   
December 31,
 
(in thousands)
 
2019
   
2018
 
Finished products
   
20,665
     
21,660
 
Raw materials
   
4,872
     
6,707
 
     
25,537
     
28,367