In a twenty fifth aspect, the light source according to {HEAD ~ either} of the twenty third aspect or {TAIL ~ the twenty fourth aspect} is provided, wherein an LED is used as the light emitting part 
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In a twenty fifth aspect , the light source according to { HEAD ~ either } of the twenty third aspect or { TAIL ~ the twenty fourth aspect } is provided , wherein an LED is used as the light emitting part
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH