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INVENTORIES (Tables)
12 Months Ended
Dec. 31, 2019
INVENTORIES  
Schedule of inventories, by component

   

2019

   

2018

 

Raw materials

$

111,653

$

110,720

Work in process

 

123,750

 

131,091

Finished goods

 

140,392

 

139,299

Total

$

375,795

$

381,110