{HEAD ~ The method} 4 wherein {TAIL ~ the ethane or propane constituent} of the multicomponent refrigerant is replaced with ethylene or propylene, respectively 
{ HEAD ~ The method } 4 wherein { TAIL ~ the ethane or propane constituent } of the multicomponent refrigerant is replaced with ethylene or propylene , respectively
HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH