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Note 7 - Plant, Property and Equipment, Net: PropertyPlantAndEquiptmentScheduleOfSignificantAcquisitionsAndDisposals (Details) (USD $)	Nov. 30, 2012	May 31, 2012
Machinery	$ 1,258,249	$ 1,106,702
Electronic Equipment	69,938	182,934
Transportation Equipment	256,905	283,872
Machinery and Equipment, Gross	1,585,092	1,573,507
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment	(1,089,783)	(1,024,186)
Plant, property and equipment, net	$ 495,309	$ 549,322

The cumulative amount of depreciation, depletion and amortization (related to property, plant and equipment, but not including land) that has been recognized in the income statement.

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- Definition

Amount, net of accumulated depreciation, depletion and amortization, of long-lived physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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