Even if only one of the plugs indicates any deformation, all of the plugs must be ______.

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Multiple Choice

Even if only one of the plugs indicates any deformation, all of the plugs must be ______.

Explanation:
When any plug shows deformation, the whole set is treated as compromised. Deformation signals that the part has undergone overstress or fatigue, and the remaining plugs could be near the same limit or have hidden damage. Replacing all of them ensures uniform fit, seal, and electrical contact, and removes the risk of a mismatched or unreliable connection that could lead to leaks, misalignment, or intermittent operation. Inspecting, retesting, or leaving them as-is wouldn’t guarantee the necessary reliability or safety. So the proper action is to replace all of the plugs.

When any plug shows deformation, the whole set is treated as compromised. Deformation signals that the part has undergone overstress or fatigue, and the remaining plugs could be near the same limit or have hidden damage. Replacing all of them ensures uniform fit, seal, and electrical contact, and removes the risk of a mismatched or unreliable connection that could lead to leaks, misalignment, or intermittent operation. Inspecting, retesting, or leaving them as-is wouldn’t guarantee the necessary reliability or safety. So the proper action is to replace all of the plugs.

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