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Pumped storage installation for use in inoperative/abandoned pit, has top level and bottom level storage basins that are used as cavities which are artificially created at different levels in inoperative/abandoned pits
Pumped storage installation for use in inoperative/abandoned pit, has top level and bottom level storage basins that are used as cavities which are artificially created at different levels in inoperative/abandoned pits
The installation has a top level storage basin and a bottom level storage basin that are used as cavities which are artificially created at different levels in inoperative or abandoned pits.
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