{HEAD ~ The a second elongated element} may be engaged to {TAIL ~ the first elongated element} and may be subject to a second pre stress load 
engaged to
{ HEAD ~ The a second elongated element } may be engaged to { TAIL ~ the first elongated element } and may be subject to a second pre stress load
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH