mining shield

mining shield

[′mīn·iŋ ‚shēld]
(mining engineering)
A canopy or cover for the protection of workers and machines at the face of a mechanized coal heading.
References in periodicals archive ?
In 2012, CONSOL contracted and paid significant deposits to secure replacement longwall mining shields at three of its mining complexes and new longwall mining shields at the BMX mining complex.
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