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