Below the hook lifting devices following ASME B30.20-2025 under yellow tower crane.
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ASME B30.20-2025: Below-the-Hook Lifting Devices

A volume of the overall safety standard for cableways, cranes, derricks, hoists, hooks, jacks, and slings, ASME B30.20-2025: Below-the-Hook Lifting Devices, has been released. Revising…