The five occupations in Egypt that depended in some way on the Nile river included Crop irrigation, bathing and drinking water, fish for food, the reeds growing there furnished materials for building and paper. The river was also used for transportation. In addition, ensuring that the tomb is stable on the sailboat, ensuring the rowers are uprooting the supply boat perfectly, ensuring that the sailboat was traveling the correct track, ensuring that the supplies are guarded on the vessel, ensuring that the sailboat goes out of restraint.