{HEAD ~ Method} and apparatus for checking {TAIL ~ the bonding} of a cellular structure to a support 
for checking
{ HEAD ~ Method } and apparatus for checking { TAIL ~ the bonding } of a cellular structure to a support
HEAD HEAD HEAD HEAD HEAD OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH