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The cribbing allowance cannot be less than 1.0
Block repick tolerance - This variable is used when an order is recalculated. It compares the order CRIB diameters (before and after) the calculation to determine if the new which Nucleo/ART block to use. If the difference between the two cribs is greater than the tolerance, then the new block is used for the order, otherwise, the order keeps the existing blocks. Note that if the block RNGDM changes, then the new block will be selected.