The earthquake resistant mount is secured to {TAIL ~ the infrastructure} and to the superstructure of {HEAD ~ the building} 
The earthquake resistant mount is secured to { TAIL ~ the infrastructure } and to the superstructure of { HEAD ~ the building }
OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD