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
Read more about this topic: Level