Ballast

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Ballast may mean:

Track ballast, railway track-bed, on which sleepers and track is laid
Sailing ballast, ship's ballast, used to weight a ship down
Ballast tanks, a device used on submarines and other submersibles to control buoyancy
Ballast (electrical), used to stabilize the current flow in lamps

Places

Ballast (Drenthe), a village in Drenthe, Netherlands

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