In still another aspect, the invention relates to {HEAD ~ a shrouded, wheel guided suction attachment} for {TAIL ~ the dredge} 
for
In still another aspect , the invention relates to { HEAD ~ a shrouded , wheel guided suction attachment } for { TAIL ~ the dredge }
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL