Which of the following is a common sign of container deterioration?

Corrosion or rust formation is a significant indicator of container deterioration, particularly for LP gas containers. This type of degradation typically occurs when the protective coatings that shield metals from environmental exposure break down, allowing moisture and chemicals to interact with the metal surface. The occurrence of corrosion or rust is crucial to assess as it can compromise the integrity of the container, leading to catastrophic failures or leaks, which pose serious safety hazards.

Faded paint, while it may indicate age or exposure to sunlight, does not necessarily suggest that the structural integrity of the container has been compromised. Similarly, minor surface scratches could be superficial and generally do not impact the functionality or safety of the container unless they penetrate deeper into the protective barriers. Slight dents from handling may indicate mishandling or rough treatment but are not conclusive signs of deterioration unless they result in structural weakness or the potential for leaks. Thus, focusing on corrosion or rust formation is essential for ensuring the safety and reliability of LP gas containers.