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Inventories | 12 Months Ended
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Dec. 31, 2021
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Inventories | 8. Inventories Accounting policy Inventories are stated at the lower of cost and net realizable value (it is the estimated selling price in the normal course of business, less estimated completion costs and estimated costs necessary to make the sale). The cost of finished and under construction products comprises direct materials, direct labor and an adequate proportion of variable and fixed overheads, the latter being allocated based on normal operational capacity. Costs are assigned to individual inventory items based on weighted average costs. The provision for obsolete inventories is made for the risks associated with the realization and sale of inventories due to obsolescence and measured at the net realizable value or the cost, whichever is less.
| December 31, 2021 |  |  | December 31, 2020 |
Finished goods | 814,320 |  |  | 560,028 |
Spare parts and accessories | 180,286 |  |  | 219,831 |
Raw material | 126,889 |  |  | 118,319 |
Warehouse and other | 27,809 |  |  | 30,279 |
Fuels and lubricants | — |  |  | 6,807 |
| 1,149,304 |  |  | 935,264 |
The balances are presented net of the provision for obsolete inventories in the amount of R$ 26,841 on December 31, 2021 (R$ 17,449 on December 31, 2020).

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- Definition The entire disclosure for inventories. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 2 -IssueDate 2021-01-01 -Section Disclosure -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=2&code=ifrs-tx-2021-en-r&doctype=Standard&dita_xref=IAS02_g36-39__IAS02_g36-39_TI -URIDate 2021-03-24 + Details
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