Final answer:
According to 29 CFR 1910.184, a sling is a flexible lifting device made from materials like rope, wire rope, chain, or synthetics, used in construction and industrial settings for safe material handling.
Step-by-step explanation:
According to 29 CFR 1910.184, the definition of a sling is B) A flexible lifting device made of rope, wire rope, chain, or synthetic material. A sling is used to attach and support a load so it can be lifted and moved by a hoist or crane.
They are essential in various industrial and construction activities to ensure the safe handling of heavy materials. 29 CFR 1910.184 is a regulation that specifically details the safety standards for slings under the Occupational Safety and Health Administration (OSHA).