Jointing material comprising {HEAD ~ a mixture} of boron oxide and aluminum oxide and method of jointing utilizing {TAIL ~ said jointing material} 
Jointing material comprising { HEAD ~ a mixture } of boron oxide and aluminum oxide and method of jointing utilizing { TAIL ~ said jointing material }
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL