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INVENTORIES (Tables)
6 Months Ended
Jun. 30, 2019
INVENTORIES  
Schedule of inventories, by component

June 30,

December 31,

2019

2018

 

Raw materials

$

118,311

$

110,720

Work in process

 

134,468

 

131,091

Finished goods

 

146,540

 

139,299

Total

$

399,319

$

381,110