Blow off device for limiting excess pressure in {HEAD ~ nuclear power plants}, especially of {TAIL ~ the boiling water reactor type} 
especially of
Blow off device for limiting excess pressure in { HEAD ~ nuclear power plants } , especially of { TAIL ~ the boiling water reactor type }
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL