Typically, {HEAD ~ both the isoparaffin and n paraffin synthetic fluids} contain {TAIL ~ less than about 1 weight percent sulfur}, less than about 1 weight percent nitrogen, and less than about 1 weight percent oxygenated compounds 
contain
Typically , { HEAD ~ both the isoparaffin and n paraffin synthetic fluids } contain { TAIL ~ less than about 1 weight percent sulfur } , less than about 1 weight percent nitrogen , and less than about 1 weight percent oxygenated compounds
OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL 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