This adds {TAIL ~ once more additional strength} to {HEAD ~ the structure} without interfering with the above described basic function 
This adds { TAIL ~ once more additional strength } to { HEAD ~ the structure } without interfering with the above described basic function
OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH