Normally, the lubricating oils preferred will be {HEAD ~ fluid oils}, ranging in {TAIL ~ viscosity} of about 40 Saybolt universal seconds at 100° Fahrenheit to about 200 Saybolt universal seconds at 210° Fahrenheit 
ranging in
Normally , the lubricating oils preferred will be { HEAD ~ fluid oils } , ranging in { TAIL ~ viscosity } of about 40 Saybolt universal seconds at 100 ° Fahrenheit to about 200 Saybolt universal seconds at 210 ° Fahrenheit
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH