Centerline 60 as used herein generally describes a segment between rows of {TAIL ~ container receiving apertures} 25 and between layers of {HEAD ~ flexible sheet} 20 
Centerline 60 as used herein generally describes a segment between rows of { TAIL ~ container receiving apertures } 25 and between layers of { HEAD ~ flexible sheet } 20
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH