What indicates a complete loss of original profile shape in panels?

The indication of a complete loss of the original profile shape in panels is best associated with significant deformation affecting integrity. This means that the structural characteristics of the panel have been altered to a degree where it can no longer maintain its intended shape or function. Such deformation can compromise the safety and operability of the container, often requiring extensive repairs or replacement.

In contrast, minor bends in the panel may not significantly alter its structural integrity, and visible corrosion around edges may indicate surface-level issues rather than a complete loss of shape. Surface penetrating damages, while serious, do not specifically convey the extensive alteration of the original panel profile unless they lead to a structural compromise. Therefore, the most accurate choice reflects a situation where the deformation is extensive enough to impact the panel's overall integrity and functionality.