Hopper dredges often have difficulty operating in shallow locations, excavate with less precision than other types of dredges, and are more costly to purchase and repair.
Ama-Hopper dredges ajwayele ukuba nobunzima ekusebenzeni ezindaweni ezingajulile, embiwa ngokunemba okuncane kunezinye izinhlobo zamanzi, futhi kubiza kakhulu ukuthenga nokulungisa.