The candles may be made from {HEAD ~ pure triacylglycerol} or may include minor amounts of {TAIL ~ other additives} to modify the properties of the waxy material 
The candles may be made from { HEAD ~ pure triacylglycerol } or may include minor amounts of { TAIL ~ other additives } to modify the properties of the waxy material
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH