6 Inventories

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EUR million 31 Dec. 2015 31 Dec. 2014
Raw materials and production supplies 35 11
Work and services in progress 5 1
Finished goods and merchandise 435 565
Prepayments 5 2
  480 579

The inventories include EUR 82 million (previous year: EUR 142 million) that were written down to the net realisable value. Write-downs in the amount of EUR 18 million (previous year: EUR 9 million) were made during the financial year. Reversals of write-downs totalled EUR 2 million (previous year: EUR 2 million). This was due primarily to the disposal of previously impaired items of inventory.

As in the previous year, other than industry-standard restrictions on title, no inventories were pledged as collateral for own liabilities.