Which type of sling allows for repairs under safety regulations?

B. Nylon web slings are specifically designed to allow for repairs under safety regulations. Unlike other sling types, nylon web slings have a flexible fabric structure that permits stitching and can be repaired if they become damaged, as long as the repair meets the standards set by safety regulations. This is particularly beneficial in maintaining the usability and extending the life of the sling, making them a popular choice in various lifting and rigging applications.

In contrast, metal chain slings, wire rope slings, and polyester slings typically require complete replacement if damaged. These materials do not allow for effective field repairs and are subject to strict inspection criteria. Any sign of wear, deformation, or damage usually disqualifies them for continued use, as safety is paramount in lifting operations.