In other words, {HEAD ~ fluid} may flow through the gaps between the segments of {TAIL ~ the vibration damper plates} 160 
In other words , { HEAD ~ fluid } may flow through the gaps between the segments of { TAIL ~ the vibration damper plates } 160
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH