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Summary of significant accounting policies (Tables) | 12 Months Ended
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Nov. 30, 2021
Summary of significant accounting policies |
Schedule of Estimated useful lives of plant and equipment | ​
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Computer hardware and software | ​ | 3 years
Leasehold Improvements | ​ | lease term
Office furniture and equipment | ​ | 5 years
Machinery and equipment | ​ | 3 – 10 years
Vehicles | ​ | 3 years

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