The picture gives information about how a storage area is made from material named concrete canvas.
Overall, making concrete canvas require several main steps such as: combining three things to get concrete canvas, spreading on the ground and watering.
In the first stage, by integrating three materials like: fibrous top surface, dried concrete and waterproof layer the main thing named concrete canvas is made. Aftrer delivering to unwrapping area, concrete canvas should be spread on the fround which has 10 metres long, pegs on the left corner and long rope outside.
The next step is pumping air, its area has door and cart that help to pump air. Before setting it to approximately 24 hours, it should be watered in the area that had door with 8 metres long. Final stage is storing goods to the storage area which has one bigger and one smaller stands that goods are put onto this stands.