Selection of the number of heat pipes used allows tailoring of the heat sink capabilities for {HEAD ~ different applications} using {TAIL ~ the same fundamental assemblage} of parts 
using
Selection of the number of heat pipes used allows tailoring of the heat sink capabilities for { HEAD ~ different applications } using { TAIL ~ the same fundamental assemblage } of parts
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH