The time for applying {TAIL ~ the current} to the electrical heating wires 2 to split the cathode ray tube 6 is not particularly limited, but may be several tens of {HEAD ~ seconds} to several minutes 
The time for applying { TAIL ~ the current } to the electrical heating wires 2 to split the cathode ray tube 6 is not particularly limited , but may be several tens of { HEAD ~ seconds } to several minutes
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 OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH