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INVENTORIES
6 Months Ended
Jun. 30, 2022
INVENTORIES  
INVENTORIES

8.    INVENTORIES

Inventories consist of the following:

    

June 30, 

    

December 31, 

    

 

2022

2021

 

(in thousands)

Raw materials and supplies

$

29,967

$

42,231

Work in process

 

17,255

 

14,390

Finished goods

 

31,049

 

16,640

Total inventories

$

78,271

$

73,261