{HEAD ~ A similar set} of components may be used to measure rotation about {TAIL ~ the other axes} 
{ HEAD ~ A similar set } of components may be used to measure rotation about { TAIL ~ the other axes }
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL