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Inventories (Tables) | 12 Months Ended
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Dec. 31, 2018
Disclosure of Inventories [Abstract] |
Schedule of Short-term and Long-term Inventories |
Short-term:
| December 31,
| 2 0 1 8 |  | 2 0 1 7
Finished goods | $ | 1,961,627 |  | $ | 1,572,134
Work in process |  | 79,914 |  |  | 61,129
Billets |  | 2,046,143 |  |  | 1,443,938
Raw materials and supplies |  | 4,576,732 |  |  | 3,728,737
Materials, spare parts and rollers |  | 1,154,586 |  |  | 1,331,079
Materials in transit |  | 319,420 |  |  | 126,481
| $ | 10,138,422 |  | $ | 8,263,498
Long-term:
| December 31,
| 2 0 1 8 |  | 2 0 1 7
Coke | $ | 952,786 |  | $ | 1,037,470
Spare parts |  | 54,783 |  |  | 49,831
Rollers |  | 140,009 |  |  | 133,465
Finished godos |  | 353,095 |  |  | 353,095
|  | 1,500,673 |  |  | 1,573,861
Less, valuation allowance at the lower of cost or net realizable value. |  | (353,095) |  |  | (353,095)
| $ | 1,147,578 |  | $ | 1,220,766

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