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Inventories (Tables)
12 Months Ended
Feb. 28, 2022
Inventory Disclosure [Abstract]  
Schedule of inventories
   February 28,
2022
   February 28,
2021
 
Raw materials  $129,836   $91,739 
Work-in-process   14,421    
-
 
Finished goods   
-
    2,427 
           
Total inventory  $144,257   $94,166