How to Use an Optical Level Step by Step! HILTI POL 15 - Surveying

Elevation surveying - How to leveling with Optical level In this video, I break down the basics of construction leveling and surveying with an optical level with a focus on how to calculate elevation quickly and accurately — without using any trigonometry! Whether you're a construction beginner or just looking for a simpler method, this tutorial will guide you step by step through the process. Perfect for builders, engineers, or anyone involved in site work. Enjoy! 👊😎