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INVENTORIES (Details 1) - USD ($) $ in Thousands | Dec. 31, 2018 | Dec. 31, 2017
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Inventories Abstract |  |
Provision for obsolescence Technical stock | $ 20,500 | $ 21,839
Provision for obsolescence Non-technical stock | 4,621 | 6,488
Total | $ 25,121 | $ 28,327

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