A tugboat is designed to be easy to maneuver, so that the boat can respond quickly to an assortment of situations which may arise during a ship assist. If necessary, the pilot teams up with tugboats or barges to move the ship into place in the harbor. The pilot actually steers the ship into port, since he or she is extensively familiar with the features and hazards of the harbor. Typically, a large ship will be boarded by a pilot when it approaches a harbor. As a result, many large ships are actually towed into harbor by small, highly maneuverable, very strong boats such as tugboats - Ship Assist . Aside from the health of the yard workers, in recent years, ship breaking has also become an issue of major environmental concern. In most of the developing world, however, shipyards can operate without the risk of personal injury lawsuits or workers' health claims, meaning many of these shipyards may operate with high health risks. Removing the metal for scrap can ...