Without limitation, {HEAD ~ a bridge} 110 may be engaged to {TAIL ~ a foundation} 112 
engaged to
Without limitation , { HEAD ~ a bridge } 110 may be engaged to { TAIL ~ a foundation } 112
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH