Illegal aliens in the ballast
Ballast water is taken on board ship to maintain their stability when laden. When a ship is loaded with cargo it empties its ballast tanks. In this way ballast water sucked up in one open port can be
Ballast water is taken on board ship to maintain their stability when laden. When a ship is loaded with cargo it empties its ballast tanks. In this way ballast water sucked up in one open port can be