The down feed tube is rigid and of a predetermined length, so that with {HEAD ~ one end} positioned with {TAIL ~ respect} to the bottom of the showcase, the other end will be within the lighting fixture 
positioned with
The down feed tube is rigid and of a predetermined length , so that with { HEAD ~ one end } positioned with { TAIL ~ respect } to the bottom of the showcase , the other end will be within the lighting fixture
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH