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