Level - Engineering-related


  • Floor, or storey, of a building or a mine
  • A device used to measure true horizontal or relative heights, frequently used in surveying and construction:
    • Spirit level or bubble level
    • Sea level, the average height of the ocean's surface, reference of height systems
    • Water level, a device that finds the horizontal across larger distances
    • Laser level, illuminates a horizontal plane
    • Laser line level, displays an accurately illuminated line
    • Dumpy level, an optical instrument
    • Reed level, an Arabic invention
  • Regrading, the process of raising and/or lowering the levels of land

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