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