{HEAD ~ The heating temperature} of the electrical heating wires 22 is set to a temperature below the melting point of {TAIL ~ the glass} constituting the cathode ray tube and a temperature which causes quick heat strain locally in the glass 
{ HEAD ~ The heating temperature } of the electrical heating wires 22 is set to a temperature below the melting point of { TAIL ~ the glass } constituting the cathode ray tube and a temperature which causes quick heat strain locally in the glass
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH