👉Using plastic threads[ሲባጎ] for checking leveling can have several drawbacks

📜Some are listed here.

🚧1. Elasticity and Sagging:

⏺Plastic threads stretch under tension, causing inaccurate level measurements.

⏺Over long distances, sagging can be significant, leading to false readings.

🚧2. Temperature Sensitivity:
Plastic expands and contracts with temperature changes, altering tension and alignment during the day.

🚧3. Wind Movement:
Lightweight threads sway in the wind, making precise alignment difficult.

🚧4. Lack of Durability:

Threads can easily snap or loosen, especially in high-traffic areas during construction.

🚧5. No Straight Reference:

⏺Unlike fishing lines or steel wires, plastic threads do not stay perfectly straight, leading to cumulative errors across the structure; like slab, column or beam etc.

⏺Better Alternatives:
Use Laser Level instrument– Offers the most precise leveling without physical sag.

⏺Mason’s Nylon Line (High-Tension) – More rigid and less stretchable.

@etconp