What requirement does the CBA have regarding apprentices and direct supervision?

The requirement that direct supervision is necessary to ensure safety reflects a fundamental principle in training environments, particularly when it involves apprentices. Direct supervision is crucial because it helps ensure that apprentices have the guidance they need to develop skills properly while minimizing risks associated with inexperience. This supervision allows more experienced workers to monitor the apprentice's progress, address any mistakes in real-time, and provide immediate feedback, all of which are essential for learning in a hands-on environment.

Ensuring safety is a priority in any training or work scenario where individuals may be exposed to potentially hazardous conditions or complex tasks. Direct supervision creates a safety net that not only protects the apprentice but also ensures compliance with best practices and established protocols in the workplace. This contrasts with the other choices, which do not reflect comprehensive safety strategies.