When addressing a ruptured system, what is the first action taken?

When faced with a ruptured system, the first action taken is to identify the section that has been compromised. This step is crucial because it allows for a clear understanding of the extent of the rupture, which is essential for assessing the situation and determining the appropriate response. By identifying the section, you gather necessary information about the system's layout, the materials involved, and any potential hazards that may be present. This knowledge is vital for making informed decisions on how to proceed safely and effectively.

The other actions, while they are important components of an overall safety and emergency response plan, are typically carried out after identifying the section. Notifying emergency services and evacuating personnel are actions that might follow if the situation poses a significant hazard to safety. Sealing the area is also an important step to prevent unauthorized access and protect against further risks, but it relies on first understanding the situation at hand.