said means forming an opening for discharging liquid from said chamber comprises a transverse bottom plate and a plurality of {HEAD ~ openings} formed in said {TAIL ~ bottom plate} disposed substantially around the periphery of said bottom plate 
formed in
said means forming an opening for discharging liquid from said chamber comprises a transverse bottom plate and a plurality of { HEAD ~ openings } formed in said { TAIL ~ bottom plate } disposed substantially around the periphery of said bottom plate
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL REL OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH