Furthermore, {HEAD ~ the valve tappet device} so configured has a low mass, and {TAIL ~ favorable running and attenuation properties} 
Furthermore , { HEAD ~ the valve tappet device } so configured has a low mass , and { TAIL ~ favorable running and attenuation properties }
OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL