A mechanical sweep developed in 1919 in the British Minesweeper OROPESA to cut the mooring wires of buoyant moored mines. It consists of a serrated wire towed on the quarter of the mine sweeper and fitted at intervals with cutters. A modern version is still in use.
Ngumatshini wokukhukhulisa awaveliswa ngo1919 kwiziko leSikhukhulisi-bhombu i-OROPESA wokusika iingcingo zokubophelela inqanawa entweni. Wenziwa ligcingo eliqoqiweyo elitsalwa kwikota yesikhukhulisi-bhombu saza safakelwa ekuphumleni kwesisiki. Igama elitsha lisa setyenziswa nangoku.