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INVENTORIES | 12 Months Ended
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Dec. 31, 2020
INVENTORIES |
INVENTORIES | NOTE 6 — INVENTORIES
|  | 2020 |  | 2019
Finished products |  | 3,894,698 |  | 3,302,569
Work in progress |  | 2,045,158 |  | 1,426,607
Raw materials |  | 1,934,958 |  | 1,611,334
Storeroom supplies |  | 786,401 |  | 974,412
Imports in transit |  | 514,321 |  | 384,123
(-) Allowance for adjustments to net realizable value |  | (6,119) |  | (39,308)
|  | 9,169,417 |  | 7,659,737
The allowance for adjustment to net realizable value of inventories, on which the provision and write-offs are registered with impact on cost of sales, is as follows:
Balance as of January 1, 2018 |  | (3,556)
Provision for the year |  | (11,943)
Reversal of adjustments to net realizable value |  | 3,715
Exchange rate variation |  | (871)
Assets held for sale |  | (1,049)
Balance as of December 31, 2018 |  | (13,704)
Provision for the year |  | (46,693)
Reversal of adjustments to net realizable value |  | 22,028
Exchange rate variation |  | (939)
Balance as of December 31, 2019 |  | (39,308)
Provision for the year |  | (6,562)
Reversal of adjustments to net realizable value |  | 47,259
Exchange rate variation |  | (7,508)
Balance as of December 31, 2020 |  | (6,119)

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