A steel dry container with a plywood body is typically used for the transportation of goods. The steel exterior provides durability and protection against the elements, while the plywood interior offers a smooth, clean surface for loading and unloading cargo. These containers are often used to transport a wide range of goods, including electronics, textiles, furniture, and other items that require protection from moisture and external elements during transit. The combination of steel and plywood makes them suitable for various shipping and storage needs.