The word apartment denotes a residential unit or section in a building. In some locations, particularly the United States, the word connotes a rental unit owned by the building owner, and is not typically used for a condominium.
A helm is the official name, but it is often referred to as the the wheel.. As ships modernize, however, we will start see less and less of the helm and begin to see a lever style control more often. A <b>helm</b> is the official name, but it is often referred to as the the wheel..
Modern ship rudder (the long red rectangle behind the propeller) RMS Titanic's rudder turned. A rudder is a primary control surface used to steer a ship, boat, submarine, hovercraft, aircraft, or other conveyance that moves through a fluid medium (generally air or water). On an aircraft the rudder is used primarily to counter adverse yaw and p-factor and is not the primary control used to turn the airplane.