Sheet material is taken from a supply, moved along its length to a cutting station, an edge thereof is hemmed as it moves toward the cutting station, {HEAD ~ the sheet material} is cut into {TAIL ~ segments}, and the cut segments are moved parallel to their cut edges, the cut edges are hemmed, and the segments are folded 
Sheet material is taken from a supply , moved along its length to a cutting station , an edge thereof is hemmed as it moves toward the cutting station , { HEAD ~ the sheet material } is cut into { TAIL ~ segments } , and the cut segments are moved parallel to their cut edges , the cut edges are hemmed , and the segments are folded
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