wherein said irregular shaped substrates are retained in {TAIL ~ said panel} without breaking until said {HEAD ~ irregular shaped substrates} are detached from said panel 
wherein said irregular shaped substrates are retained in { TAIL ~ said panel } without breaking until said { HEAD ~ irregular shaped substrates } are detached from said panel
OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH