18:00

Temporary and Permanent Adjustments - Levelling and Its Application - Surveying 1

14:12

Dumpy level survey (हिन्दी)

20:10

Types of Levels - Levelling and Its Application - Surveying 1

18:13

Digital Level Surveying

11:22

Dumpy Level Setting

17:37

Height of instrument method

6:45

Reciprocal Levelling|Curvature, Refraction and Collimation Correction

17:42

Worst Mistakes Ever | Major Damage 💥😳