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Export Sales (Tables)
3 Months Ended
Feb. 28, 2022
Segment Reporting [Abstract]  
Schedule of export sales
   Three Months Ended 
   February 28,   February 28, 
   2022   2021 
Canada   1,714,380    954,765 
China   1,792,412    1,308,802 
Other Asian Countries   410,884    413,640 
South America   30,090    37,477 
Europe   1,717,937    431,570