 a support column having said light sources mounted thereon, said column being connected to {HEAD ~ said shaft} for {TAIL ~ revolving said light sources} within said enclosure 
for
a support column having said light sources mounted thereon , said column being connected to { HEAD ~ said shaft } for { TAIL ~ revolving said light sources } within said enclosure
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH