Inside Slope

Inside Slope

 

an inclined underground mine passage with no direct access to the surface. Inside slopes are used to lift minerals toward the surface and to lower materials and equipment. They also provide a means for personnel to move from one part of a mine to another.

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Scenario 1~3 starts from the outside slope inwards, the inside slope outwards, and center to both sides, respectively.
But the 18-inch-thick area of highly radioactive material on the surface of the inside slope of the northern berm was not removed.