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INVENTORY (Tables)
9 Months Ended
Sep. 30, 2022
INVENTORY  
Schedule of inventory, net of reserves

    

September 30, 2022

    

December 31, 2021

Parts and supplies

$

67,459

$

63,628

Work in progress

 

16,632

 

9,241

Inventory

$

84,091

$

72,869