The document discusses different types of partition walls used to divide interior spaces. It defines partition walls and lists their requirements. The main types described include brick, hollow block, clay block, concrete, glass, wooden, strawboard, plaster slab, asbestos cement, metal and portable partitions. Details are provided on the construction and materials used for each type. Advantages of partitions walls are that they divide space into rooms while being lighter and less expensive than load-bearing walls.