It is observed that the relative height of the rollers 29 is in {HEAD ~ excess} of {TAIL ~ the height} of channel members 41 such that when the frame 23 is in the raised position, the die is supported by rollers 29 
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It is observed that the relative height of the rollers 29 is in { HEAD ~ excess } of { TAIL ~ the height } of channel members 41 such that when the frame 23 is in the raised position , the die is supported by rollers 29
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH