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mudcap

A charge of dynamite, or other high explosive, fired in contact with the surface of a rock after being covered with quantity of wet mud, wet earth, or sand, no borehole being used. The slight confinement given the dynamite by the mud or other material permits part of the energy of the dynamite being transmitted to the rock in the form of a blow. A 2073 mudcap may be placed on top or to one side, or even under a rock, if supported, with equal effect.

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  • ed.young
  • (Milwaukee, United States)

  •  (V.I.P) 21084 分数
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