More particularly, but not exclusively, the invention relates to a surge suppression apparatus having {HEAD ~ means} for regulating the pressure of {TAIL ~ a pressurised gas} therein 
More particularly , but not exclusively , the invention relates to a surge suppression apparatus having { HEAD ~ means } for regulating the pressure of { TAIL ~ a pressurised gas } therein
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH