Advantageously, {TAIL ~ the compartmentalized portable cooler} has at least three compartments ranging form ice cold, moderately cold, to {HEAD ~ non cold temperatures} forming a temperature gradient construction 
Advantageously , { TAIL ~ the compartmentalized portable cooler } has at least three compartments ranging form ice cold , moderately cold , to { HEAD ~ non cold temperatures } forming a temperature gradient construction
OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH