{HEAD ~ A display} 306 for confirming data reception is attached to {TAIL ~ a container body} 211 of a receiver side container 21 
is attached to
{ HEAD ~ A display } 306 for confirming data reception is attached to { TAIL ~ a container body } 211 of a receiver side container 21
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH