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Inventories, net
12 Months Ended
Dec. 31, 2021
Inventory, Net [Abstract]  
Inventories, net
5. Inventories, net

The components of inventories, net were as follows:
 December 31, 2021December 31, 2020
Raw materials$671,195 $497,604 
Work in progress271,659 152,360 
Finished goods377,800 304,760 
Subtotal1,320,654 954,724 
Less reserves(129,559)(118,920)
Total$1,191,095 $835,804 
At December 31, 2021 and 2020, approximately 4% of the Company's total inventories were accounted for using the LIFO method.