PDF instructions for building a large silo commonly found in the US. In it bulk goods are stored and also loaded. The roof of the little house can be removed and inside there is a small office space. Inside the tower there is a ladder which leads to the bridge of the silos.
 The instructions are divided in such a way that you can choose to build the silo with the house, without interior fittings, including the shelter, or completely with interior fittings.