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Inventories (Tables) | 12 Months Ended
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Dec. 31, 2020
Disclosure of Inventories [Abstract] |
Schedule of Current inventory and Non-current inventory |
| December 31,
Current inventory: | 2 0 2 0 |  | 2 0 1 9
Finished goods | $ | 2,302,443 |  | $ | 1,900,624
Work-in-process |  | 96,174 |  |  | 109,247
Billets |  | 2,232,736 |  |  | 1,791,802
Raw materials and supplies |  | 2,817,090 |  |  | 2,760,319
Materials, spare parts and rollers |  | 1,233,282 |  |  | 1,146,705
Materials in-transit |  | 391,874 |  |  | 534,516
| $ | 9,073,599 |  | $ | 8,243,213
Non-current inventory:
| December 31,
| 2 0 2 0 |  | 2 0 1 9
Coke | $ | 952,690 |  | $ | 747,300
Spare parts |  | 72,139 |  |  | 68,587
Rollers |  | 185,498 |  |  | 144,486
Finished goods |  | 353,095 |  |  | 353,095
|  | 1,563,422 |  |  | 1,313,468
Less, valuation allowance at the lower of cost or net realizable value. |  | (353,095) |  |  | (353,095)
| $ | 1,210,327 |  | $ | 960,373

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