... dredger,dredger vessel,dredge vessel,dredgingequipment,sand dredging equipment,sand dredging machine,sand pumping ship dredger,tin dredger,tin ... dredge,iron ore bucket chainlin dredger. What is dredging?Dredging is an excavation activity in which materials are recovered ... wetlands, beaches, lakes, streams, coastlines, and for other land reclamation projects. In many coastal areas there is a shortage ...