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This is what the operator can see when
surveilling the hoisting machine. The indicators show him different data like
pressure, brake powers etc.. The both vertical lines in the rectangle with
the rounded corners in the middle of the photo indicate the pit cages' positions
in the shaft - two small red spots move upwards or downwards corresponding to
the pit cages movement in the shaft. The white horizontal lines mark important
places: The one at the bottom indicates the seventh level at -1120 metres and
the one on the top the pit bank, for example.
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