The level device is considered one of the commonly used and necessary devices for surveying work and vital projects such as road works, water and sewage installations, and determining the quantities of excavation or backfilling of land. Therefore, the engineer and surveyor rely on it in many works. The scale device is also considered one of the easy devices to use compared to other surveying devices.
  Using this device, after certain calculations, the levels of the required points in the projects are found.