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