{TAIL ~ Each} of {HEAD ~ the evaporating}, converting and cooling stages are constructed with at least one module 
{ TAIL ~ Each } of { HEAD ~ the evaporating } , converting and cooling stages are constructed with at least one module
TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH