In one aspect, the invention relates to {HEAD ~ the removal} of fine, contaminated sediment from {TAIL ~ marine, riparian and lake environments} while in another aspect, the invention relates to the use of a swinging ladder, articulating hydraulic suction dredge for the removal of the sediment 
In one aspect , the invention relates to { HEAD ~ the removal } of fine , contaminated sediment from { TAIL ~ marine , riparian and lake environments } while in another aspect , the invention relates to the use of a swinging ladder , articulating hydraulic suction dredge for the removal of the sediment
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