A array of multi-bit Read Only Memory cells is in a semiconductor substrate of a first conductivity type with a first concentration. The method further includes reducing the calculated WRR weights in accordance with the HCF, when it is determined that the HCF exists, and performing a WRR scheduling of packets, stored in the queues, based on the reduced WRR weights. A pair of lead plates 13 and 14 are each welded to a different one of the electrode terminals 11 and 12. The textured rib structure includes rows of teeth, truncated pyramids or cones, corrugated structure, and sinuous beads atop which articles are supported with little slipping in wet conditions. If use is made here of two lifting cables, each of these lifting cables is led over a pulley block and, in order to achieve the same loading capability if use is made of just one lifting cable, the latter is led, in addition, over a floating pulley which is mounted between the two pulley blocks, the two pulley blocks also being secured against tilting.