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