After 1974, car and truck manufacturers transitioned to a molded pressboard style headliner. These automotive headliners have a rigid cardboard backing and are covered with foam backed cloth, which is glued to the headliner board.
1 In the United States, municipality is usually understood as a city, town, village, or other local government unit, formed by municipal charter from the state as a municipal corporation.
A municipal corporation : a city, town, borough, or incorporated village. Also the body of officers, taken collectively, belonging to a city.