Furthermore, {HEAD ~ the light emitting tube} 42 is always pressed to the most forward position in the movable range under {TAIL ~ the action} of the electrical connecting spring member 43, so that the light emitting tube 42 can be positioned at any predetermined position 
Furthermore , { HEAD ~ the light emitting tube } 42 is always pressed to the most forward position in the movable range under { TAIL ~ the action } of the electrical connecting spring member 43 , so that the light emitting tube 42 can be positioned at any predetermined position
OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD 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 OTH OTH OTH OTH OTH