The core technical rules, safety procedures, and calculation methods compiled from official training materials and field study guides are detailed below. 1. Core Safety Rules & The 3-3-3 Rule
(Where $\theta$ is the angle between the sling and the horizontal load). rigger level 3 aramco notes
: Proper use and inspection of shackles (check for bent bodies/damaged threads), hooks (check for deformation/latch function), and clamps. Hitch Configurations : Vertical : Full capacity of the sling. Choker : Sling wraps around the load; reduces capacity. The core technical rules, safety procedures, and calculation