THE RISE OF THE MACHINES
'(<a href="http://www.j-archive.com/media/2008-03-18_DJ_20.wmv">Kelly of the Clue Crew reports from atop a large, moving piece of equipment at Texas A&M University's Coastal Engineering Lab.</a>) Texas A&M's Coastal Engineering Lab has a sediment pit, testing this type of equipment that removes earth from the sea floor'
a dredger (or dredging equipment)