9 Multiple Choice 1 point What must happen prior to commencing work on a pneumatic system? ensure system is de-energized, locked out and tagged ensure system is energized, in order to diagnose leaks ensure the system remains on-line for production shut the entire building down to prevent back feed of compressed air

Before diving into the exhilarating world of pneumatic systems, it's crucial to ensure the system is de-energized, locked out, and tagged! This step keeps you safe and gives you peace of mind while you work. Picture it like this: You wouldn’t want a surprise water balloon fight while you’re focused on fixing your garden hose, right? And hey, speaking of surprises, did you know that improperly addressing pneumatic systems can lead to catastrophic failures? For instance, an energized system could unleash a high-pressure burst, causing equipment damage or even injury. So, always double-check before you start wading in!