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INVENTORIES | 12 Months Ended
--- | ---
Dec. 31, 2020
INVENTORIES |
INVENTORIES | 8.INVENTORIES
|  | December 31, |  | December 31,
|  | 2020 |  | 2019
Finished goods |  |  |  |
Pulp |  |  |  |
Domestic (Brazil) |  | 553,229 |  | 575,335
Foreign |  | 1,102,994 |  | 2,229,206
Paper |  |  |  |
Domestic (Brazil) |  | 225,058 |  | 199,635
Foreign |  | 87,638 |  | 70,199
Work in process |  | 81,465 |  | 75,377
Raw material |  | 1,450,507 |  | 1,047,433
Spare parts and other |  | 508,444 |  | 488,410
|  | 4,009,335 |  | 4,685,595
Inventories are shown net of estimated losses. 8.1.Rollforward of estimated losses
|  | December 31, |  | December 31,
|  | 2020 |  | 2019
Beginning balance |  | (106,713) |  | (33,195)
Business combination |  |  |  | (11,117)
Addition (1) |  | (77,173) |  | (111,077)
Reversal |  | 11,498 |  | 9,734
Write-off (2) |  | 92,503 |  | 38,942
Ending balance |  | (79,885) |  | (106,713)
| 1) |  | The addition of inventory in the year ended December 31, 2020, refers substantially to the raw material in the amount of R$56,305 (R$57,384 as of December 31, 2019).
| 2) |  | The write-off of inventory, in the year ended December 31, 2020, refers mainly to the amounts of (i) finished pulp product of R$32,018 (R$666 as of December 31, 2019) and (ii) raw material of R$49,550 (R$26,083 as of December 31, 2019).
For the year ended December 31, 2020, and 2019 there were no inventory items pledged as collateral.

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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 2020-01-01 -Section Disclosure -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=2&code=ifrs-tx-2020-en-r&doctype=Standard&dita_xref=IAS02_g36-39_TI -URIDate 2020-01-01 + Details
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