Therefore, {HEAD ~ the heat consumption} of {TAIL ~ the present invention} is lower than the conventional device which heats the whole bottle or bag of perfume 
Therefore , { HEAD ~ the heat consumption } of { TAIL ~ the present invention } is lower than the conventional device which heats the whole bottle or bag of perfume
OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH