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131Penstock — A penstock is a sluice or gate or intake structure that controls water flow, or an enclosed pipe that delivers water to hydraulic turbines and sewerage systems. It is a term that has been inherited from the technology of wooden watermills.In… …
132Hyperspace (science fiction) — Hyperspace is a fictional plot device sometimes used in science fiction. It is typically described as an alternate region of subspace co existing with our own universe which may be entered using an energy field or other device. Travel in… …
