Information relating to a change made to a concrete mixture in a concrete mixer truck is obtained. The processor apparatus is structured to execute a number of routines including a stroke-based input user interface routine. The first group of strands are adapted to produce elevated floats and depressed sinkers, defining a three-dimensional fabric surface comprising:. Output selection circuitry is provided to select an output from a predetermined point along the delay chain. The number of the sub power source lines connected to the common connecting section is equal to the number of the sub word lines subordinate to one main word line, and also equal to the number of the redundant sub word lines subordinate to one redundant main word line.