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INVENTORY (Details) - USD ($) | May 31, 2020 | Nov. 30, 2019
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Inventory Disclosure [Abstract] |  |
Raw materials | $ 620,682 | $ 449,767
Work in process | 124,993 | 32,098
Finished goods | 396,490 | 477,883
Total | $ 1,142,165 | $ 959,748

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