Ballast may mean: Wikipedia does not have an article with this exact name. ... It has been suggested that French Wiktionary be merged into this article or section. ...
Track ballast, railway track-bed, on which sleepers and track is laid
Water ballast carried aboard an aircraft, for example in gliding to increase speed
Places
Ballast (Drenthe), a village in Drenthe, Netherlands
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The metal is also used to dampen noise and as a radiation shield for X-rays.
Smaller uses for lead are in ballast, weights, ceramics and crystal glass, tubes and containers, type metal, foil, wire and specialized chemicals.
The leaky gut syndrome is the name given to a very common health disorder in which the basic organic defect (lesion) is an intestinal lining which is more permeable (porous) than normal.