{HEAD ~ Various types} of overhead lighting fixtures are known in {TAIL ~ the industry} and include, but are not limited to, recessed fixtures 
{ HEAD ~ Various types } of overhead lighting fixtures are known in { TAIL ~ the industry } and include , but are not limited to , recessed fixtures
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH