With those guys working the dredge.

Seven years of crawling, that's what the dredge outside cost me.

There are three types of dredges (a) The dredge can be dragged along the seabed, scooping the shellfish from the ground.

Although dumping of hazardous waste is prohibited under the Convention on the Prevention of Marine Pollution by Dumping of Wastes and Other Matter (the London Convention) and regional agreements, there have been proposals to dump sewage sludge, dredge spoils and other hazardous wastes in deep ocean trenches.