An adjusting plate 5 is suspended in {HEAD ~ the viscous fluid} 18 by {TAIL ~ means} of the adjusting screw 1 
An adjusting plate 5 is suspended in { HEAD ~ the viscous fluid } 18 by { TAIL ~ means } of the adjusting screw 1
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH