a housing comprising a concave inner surface and a convex outer surface, the concaved inner surface defining an aperture with a perimeter having a plurality of sides that forms a cavity, the housing for receiving {HEAD ~ one or more lamps} within {TAIL ~ the cavity}, 
within
a housing comprising a concave inner surface and a convex outer surface , the concaved inner surface defining an aperture with a perimeter having a plurality of sides that forms a cavity , the housing for receiving { HEAD ~ one or more lamps } within { TAIL ~ the cavity } ,
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