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