{HEAD ~ The deposition rate} of {TAIL ~ each interlayer} 2,4 is generally in the range of about 0.1 10 microns/hour 
of
{ HEAD ~ The deposition rate } of { TAIL ~ each interlayer } 2,4 is generally in the range of about 0.1 10 microns / hour
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH