The preservatives contain {HEAD ~ Diphenylamine}, Ethoxyquin, Alkali earth silicates and {TAIL ~ a combustible wax} 
The preservatives contain { HEAD ~ Diphenylamine } , Ethoxyquin , Alkali earth silicates and { TAIL ~ a combustible wax }
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL