Rigger Level 3 Aramco Notes [work] -

(Where $\theta$ is the angle between the sling and the horizontal load).

Selecting and verifying the integrity of rigging gear prevents catastrophic failures in the field. Aramco Rigger III | PDF - Scribd rigger level 3 aramco notes

The Rigger III must be a certified Signalman. (Where $\theta$ is the angle between the sling