The quantity of {TAIL ~ the conditioning agent} employed is adjusted by varying the evaporation temperature and by varying the volume of heated air and inert gas, serving as {HEAD ~ a carrier material} 
The quantity of { TAIL ~ the conditioning agent } employed is adjusted by varying the evaporation temperature and by varying the volume of heated air and inert gas , serving as { HEAD ~ a carrier material }
OTH OTH OTH 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 OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD