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