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INVENTORIES (Details) - USD ($)	Aug. 31, 2022	Feb. 28, 2022
Inventory Disclosure [Abstract]
Raw materials and subassemblies	$ 1,560,366	$ 1,439,465
Finished goods	872,011	918,318
Work in process	658,264	343,120
Total	3,090,641	2,700,903
Less: Allowance	(316,807)	(327,661)
Net inventories	$ 2,773,834	$ 2,373,242

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Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer.

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Gross amount, as of the balance sheet date, of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process.

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