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NOTE 4 - INVENTORIES: Schedule of Inventory, Current (Details) - USD ($)
Oct. 31, 2021
Apr. 30, 2021
Details    
Raw materials $ 3,462,239 $ 5,850,859
Work in process 2,664,935 3,220,583
Finished goods 3,106,634 3,859,019
Inventory, Gross 9,233,808 12,930,461
Reserve for obsolete inventory 0 0
Inventories, net $ 9,233,808 $ 12,930,461