For example, a first opening 48 adjacent to open end 44 may be larger than a second opening 48 adjacent to closed end 46 to help balance {HEAD ~ the discharge} from {TAIL ~ openings} 48 
For example , a first opening 48 adjacent to open end 44 may be larger than a second opening 48 adjacent to closed end 46 to help balance { HEAD ~ the discharge } from { TAIL ~ openings } 48
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 OTH