鈥渢he power derived from the energy of falling water or fast running water, which may be harnessed for useful 辫耻谤辫辞蝉别蝉鈥
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鈥渢he power derived from the energy of falling water or fast running water, which may be harnessed for useful 辫耻谤辫辞蝉别蝉鈥
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