Ballasts sentence example

ballasts
  • electronic ballasts of the " aquarium " type with end caps are not yet in widespread use.
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  • magnetic ballasts cause the fluorescent lamp to flicker at 100 Hz.
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  • is widely distributed throughout the state, and great quantities of it aie crushed for road-making, railway ballasts, and concrete, but as the prevailing colours are greyish or drab it is little used in the walls of buildings.
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