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Definitions

from The Century Dictionary and Cyclopedia

  • n. In mining, an escape of air from an ascending working in which it has been confined and compressed by a head of water in some connecting passage with a seal at its foot.
  • n. In mining, a method of ventilation, in which an apparatus is employed which is the same in principle as the trompe of the Catalan forge. See trompe.

Etymologies

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Examples

  • To this the foot-blast was added, as still used in Ceylon and in India; and afterwards the water-blast, as employed in Spain (where it is known as the Catalan forge), along the coasts of the Mediterranean, and in some parts of America.

    Industrial Biography

  • Market Master Semi Tamata said the council had told the vendors last Thursday the market would be closed to allow workers to water-blast and spray the interior of the building.

    Fiji Times Online - Local News

  • "We did water-blast him last summer and he cleaned up real well," Warneke said.

    The Facts: News

  • Onyx was contracted to water-blast concrete to expose aggregate after work was carried out to remedy leaks.

    National Business Review (NBR) New Zealand

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