applying heat with heating elements in a linear manner along two sides of {HEAD ~ the cathode ray tube} adjacent to {TAIL ~ said at least one scratched corner} 
applying heat with heating elements in a linear manner along two sides of { HEAD ~ the cathode ray tube } adjacent to { TAIL ~ said at least one scratched corner }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL