Among the following, which element is used to attach two components in lifting operations?

In lifting operations, the ability to securely attach two components is critical for safety and efficiency. The Grabhook Assembly is designed specifically to connect loads with a reliable grip, ensuring that the load can be safely lifted and moved without slipping. The 10,000 lbs Apex Fitting is also designed to provide a strong connection point at the apex of a load, which is essential for maintaining stability during the lift. Both these elements serve the purpose of securely attaching components, making them integral to effective lifting operations.

While chain is typically used in various lifting applications and provides a strong method of attachment, it does not specifically denote a fitting intended for attaching components in aerial operations like the Grabhook Assembly or Apex Fitting do. The combination of the Grabhook Assembly and the Apex Fitting highlights the diversity of methods available for secure attachment in lifting scenarios, reinforcing the choice of both A and B as correct answers.