{HEAD ~ An example} of {TAIL ~ a polynomial and empirical data} relating to the relationship between the density and the pressure drop through the insulation is shown in FIG 12 
{ HEAD ~ An example } of { TAIL ~ a polynomial and empirical data } relating to the relationship between the density and the pressure drop through the insulation is shown in FIG 12
HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH