TERMIUM Plus®

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ABOVEDADO [1 record]

Record 1 1999-10-19

English

Subject field(s)
  • Ground-Drilling Facilities (Mining)
DEF

A timber cross-bar up to 16 feet long supported by two heavy legs, or uprights, one at each end. Crowns may be set at 3 ft intervals and sometimes a roof bolt is put up through the center of the crown.

PHR

Crown runner.

Key term(s)
  • crown section
  • top section

French

Domaine(s)
  • Installations de forage minier
DEF

Plafond d'une galerie.

Spanish

Campo(s) temático(s)
  • Instalaciones de perforación minera
Save record 1

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