Level - Engineering-related

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