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INVENTORIES (Tables)
9 Months Ended
Sep. 30, 2021
Inventory Disclosure [Abstract]  
Schedule of inventories, by component
Inventories, by component net of reserves, consisted of:
September 30,
2021
December 31,
2020
Raw materials$139,678 $116,029 
Work in process134,128 115,870 
Finished goods163,537 147,480 
Total$437,343 $379,379