In fact, the heating system only provides {TAIL ~ heat} for the perfume reaching {HEAD ~ the top contacting surface} of the wick member 
In fact , the heating system only provides { TAIL ~ heat } for the perfume reaching { HEAD ~ the top contacting surface } of the wick member
OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH