{TAIL ~ The external spline} is capable of {HEAD ~ axial movement} with respect to the internal spline 
{ TAIL ~ The external spline } is capable of { HEAD ~ axial movement } with respect to the internal spline
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH