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INVENTORY (Tables)
9 Months Ended
Jul. 31, 2021
Inventory Disclosure [Abstract]  
SCHEDULE OF COMPONENTS OF INVENTORY

Inventory is stated at the lower of cost (weighted average method) or net realizable value. Inventory consisted of the following components:

 

   July 31,   October 31, 
   2021   2020 
         
Raw materials and parts  $8,559,182   $7,322,688 
Work in progress   674,166    698,756 
Finished goods   1,597,470    1,120,829 
Total Inventory  $10,830,818   $9,142,273