19Inventories

millions of CHF

 

2021

 

2020

Raw materials, supplies and consumables

 

186.0

 

197.6

Work in progress

 

218.3

 

216.4

Finished products and trade merchandise

 

71.3

 

101.1

Total inventories as of December 31

 

475.6

 

515.1

In 2021, the group recognized write-downs of CHF 16.5 million (2020: CHF 26.5 million) in the income statement. Total accumulated write-downs on inventories amounted to CHF 85.4 million as of December 31, 2021 (2020: CHF 94.2 million). Material expenses in 2021 amounted to CHF 1’110.1 million (2020: CHF 1’225.0 million).