{HEAD ~ each container electronics} and the first box control electronics are housed within {TAIL ~ the first temperature side} of the first freezer 
are housed within
{ HEAD ~ each container electronics } and the first box control electronics are housed within { TAIL ~ the first temperature side } of the first freezer
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH