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FRONT TAILLE LIBRE ETANCONS [1 record]

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Filter results by subject field

Alphabetical list of terms

Record 1 2002-10-02

English

Subject field(s)
  • Mining Operations
DEF

In coal mining, longwall working in which support to the roof is given by roof beams cantilevered from behind the working face.

OBS

Such a face is necessary where armoured flexible conveyors are are used to carry a coal-cutter or power loader.

CONT

The in-seam miner operates with a small prop-free front in comparison with other equipment.

French

Domaine(s)
  • Exploitation minière
DEF

Front de taille le long duquel il n'y a pas de montants sous l'extrémité voisine des bèles de soutènement afin de permettre le passage des engins de havage et d'abattage mécanique et aussi pour pouvoir riper le convoyeur blindé.

OBS

En réalité, ce sont les rallonges qui sont à porte-à-faux.

Spanish

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