A secret of the unique small hydraulic generating equipment which generates electricity at a little watercourse is a spring!
This company is proud of about 30 % of share by a spring for toys.
The hydroelectric power generation for which the spring of the unique idea that the company has developed and it was utilized is watched.
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If it is the place with the flow of the river, one's electricity comes to be usable in the ravine of Alpine mountains,
the Seine of Paris, the irrigation canal of the fields, what kind of place. Besides, the rate is free.