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