Spirit level uses 

1. Construction and Carpentry:
   • Checking and ensuring the levelness of surfaces, such as walls, floors, and ceilings.
   • Aligning and installing cabinets, shelves, and other fixtures accurately.
   • Verifying the vertical alignment of door and window frames.
2. Masonry Work:
   • Ensuring the horizontal and vertical alignment of bricks, blocks, and other masonry materials during construction.
3. Furniture Assembly:
   • Assisting in the assembly of furniture by ensuring that components are level and aligned correctly.
4. Landscaping:
   • Leveling the ground for the installation of patios, decks, or other outdoor structures.
   • Checking the slope and grade of surfaces for proper drainage.
5. Plumbing Installation:
   • Ensuring the level installation of pipes, especially in relation to gravity and drainage systems.
6. Electrical Work:
   • Verifying the levelness of electrical outlets, switches, and other fixtures during installation.
7. DIY Home Projects:
   • Assisting in various home improvement projects where precise leveling is crucial, such as hanging pictures, mirrors, or installing curtain rods.
8. Surveying:
   • Providing a basic leveling reference for surveying tasks, especially in smaller-scale applications.
9. Automotive Repair:
   • Checking the levelness of vehicle components, such as engine parts or frames.
10. Industrial Applications:
    • Ensuring the levelness of machinery and equipment for proper functioning and accuracy.