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