Some ships are specialized to sweep for mines, dragging a wire or other equipment through the water to cut mine tethers and bring them to the surface to destroy, while others are specialized to hunt mines directly by using sophisticated sonar and remote controlled vehicles to find the mines.

Illegal gaming is a misdemeanor carrying up to 6 months in jail and a fine of up toR$1000. Though gambling becomes a crime whenever there is a bank  or house  that collects funds or takes a rake.  All gaming participants face being arrested, including players, dealers, and hosts.