In Chapter 3, a card sliver was described as a thick, untwisted rope of fairly randomly oriented fibers of various configurations. Depending on the fiber fineness, a card sliver of, say, 4 to 6 ktex may have of the order of 20,000 to 30,000 fibers at each cross section throughout its length. In comparison, yarns of 5 to 200 tex may have around 50 to 500 fibers in their cross sections. To produce yarns of such counts and with acceptable properties, fibers in a card sliver have to be straightened, aligned, and parallelized so that the sliver count can be appropriately reduced to obtain the required yarn count during spinning. The processes within stage III are the usual steps employed in preparing the carded material for spinning.