At the folding station 316, {TAIL ~ the bottom portion} of the rim 303a would be folded onto itself to allow for positioning of the disc onto {HEAD ~ the shoulder} 
At the folding station 316 , { TAIL ~ the bottom portion } of the rim 303a would be folded onto itself to allow for positioning of the disc onto { HEAD ~ the shoulder }
OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD