Structure warehouses are facilities that prioritize efficient and effective storage space. The structure, typically of steel, concrete, or a mixture of both, serves as the framework within which goods, equipment, or inventory will be housed. These types of warehouses are constructed to bear bulky weights and consider factors such as racking systems, material handling equipment, and weight of items stored. The works and design principles of structure warehouses are geared towards ease of storing and retrieving items, courtesy of wide aisles, high ceilings, adequate ventilation, safety for the stored contents, and access to the stored contents.