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v3.23.1

Exploration in operating units | 12 Months Ended
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Dec. 31, 2022
Exploration in operating units |
Exploration in operating units | 23. Exploration in operating units This caption is made up as follows: ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | 2022 |  | 2021 |  | 2020
​ | ​ | US$(000) | ​ | US$(000) | ​ | US$(000)
​ | ​ | ​ | ​ | ​ | ​ | ​
Beginning balance of finished goods and products in process, net of depreciation and amortization |  | 2,036 |  | 1,296 |  | 444
​ | ​ | ​ | ​ | ​ | ​ | ​
Cost of exploration in operating units |  |  |  |  |  |
Services provided by third parties |  | 51,912 |  | 45,437 |  | 20,406
Purchase of land | ​ | 10,066 | ​ | — | ​ | 2,162
Direct labor |  | 7,097 |  | 3,891 |  | 3,361
Short-term and low-value lease | ​ | 5,016 | ​ | 2,641 | ​ | 766
Consumption of materials and supplies | ​ | 4,502 | ​ | 3,839 | ​ | 1,426
Transport | ​ | 470 | ​ | 108 | ​ | 12
Maintenance and repair | ​ | 211 | ​ | 165 | ​ | 9
Electricity and water |  | 72 |  | 834 |  | 471
Other |  | 402 |  | 237 |  | 283
Total exploration in operating units |  | 79,748 |  | 57,152 |  | 28,896
Final balance of finished goods and products in process | ​ | (1,408) | ​ | (2,036) | ​ | (1,296)
Write – off of products in process | ​ | 420 | ​ | — | ​ | —
Final balance of finished goods and products in process, net of depreciation and amortization |  | (988) |  | (2,036) |  | (1,296)
​ | ​ | 80,796 | ​ | 56,412 | ​ | 28,044
​ |  | ​ |  | ​ |  | ​
​ As of December 31, 2022, 2021 and 2020, disbursements of exploration in operating amount to US$80.8 million, US$56.4 million and US$28.0 million, respectively, which are presented in the “Payments to suppliers and third parties, and other net” caption of the consolidated statements of cash flows.

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