When it comes to slings, there are two notable types: round slings and webbing slings. For a beginner, these may seem interchangeable. However, there are significant differences between the two. The most common ones are in terms of weight capacity and flexibility...
Spreader bars and lifting beams are both classified as industrial lifting devices under ASME B30.20, but they work in fundamentally different ways.
Bad rigging does not announce itself. A wire rope sling with a few broken wires, a shackle with a slightly opened body, or a synthetic sling with a faint chemical stain, these rigging problems sit in plain sight on job sites every day.