The second effective surface area is larger in {HEAD ~ magnitude} than {TAIL ~ the first effective surface area} 
than
The second effective surface area is larger in { HEAD ~ magnitude } than { TAIL ~ the first effective surface area }
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL