The reflector is of C shaped cross section and is dimensioned for releasable snap fitting to the cold cathode tube along the tube length with the interior channel surface facing the peripheral surface of {HEAD ~ the tube} such that only a portion of {TAIL ~ the peripheral surface} of the tube along its length is exposed to the ambient atmosphere 
The reflector is of C shaped cross section and is dimensioned for releasable snap fitting to the cold cathode tube along the tube length with the interior channel surface facing the peripheral surface of { HEAD ~ the tube } such that only a portion of { TAIL ~ the peripheral surface } of the tube along its length is exposed to the ambient atmosphere
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