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