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v3.19.2

Cost of sales and expenses by their nature | 12 Months Ended
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Dec. 31, 2018
Expenses by nature [abstract] |
Cost of sales and expenses by their nature |
19) | Cost of sales and expenses by their nature
At the years ended at December 31, 2018, 2017 and 2016, the cost of sales and administration expenses consist of the following:
| 2 0 1 8 |  | 2 0 1 7 |  | 2 0 1 6
Raw materials and consumables | $ | 15,565,242 |  | $ | 11,268,400 |  | $ | 10,968,932
Electrical energy |  | 2,536,387 |  |  | 2,123,658 |  |  | 1,767,149
Ferroalloys |  | 1,973,586 |  |  | 1,734,914 |  |  | 1,403,206
Refractories |  | 613,563 |  |  | 492,781 |  |  | 466,815
Oxygen |  | 279,272 |  |  | 213,838 |  |  | 211,051
Electrodes |  | 1,463,091 |  |  | 419,741 |  |  | 276,473
Gas and fuels |  | 766,163 |  |  | 612,605 |  |  | 518,072
Labor |  | 3,181,556 |  |  | 2,699,414 |  |  | 2,931,108
Operation materials |  | 954,415 |  |  | 1,000,752 |  |  | 890,002
Depreciation and amortization |  | 1,112,418 |  |  | 1,465,759 |  |  | 1,429,380
Maintenance |  | 2,243,255 |  |  | 2,586,507 |  |  | 2,565,772
Other expenses |  | 954,379 |  |  | 615,100 |  |  | 625,120
| $ | 31,643,327 |  | $ | 25,233,469 |  | $ | 24,053,080
| 2 0 1 8 |  | 2 0 1 7 |  | 2 0 1 6
Cost of sales | $ | 30,563,315 |  | $ | 23,994,526 |  | $ | 22,775,593
Administrative expenses |  | 1,080,012 |  |  | 1,238,943 |  |  | 1,277,487
| $ | 31,643,327 |  | $ | 25,233,469 |  | $ | 24,053,080

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- Definition The disclosure of expenses by nature. [Refer: Expenses, by nature] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 10 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_10_e&doctype=Standard -URIDate 2018-03-16 + Details
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- References No definition available. + Details
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