{HEAD ~ Application} is to {TAIL ~ an A/C loop} or a circuit for an air conditioning system of a motor vehicle 
is to
{ HEAD ~ Application } is to { TAIL ~ an A / C loop } or a circuit for an air conditioning system of a motor vehicle
HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH