[null and void]

Depends entirely on the damage. In the attack in question, the cooling systems were damaged.

How difficult is it to repair an engine where the radiator was run dry?

Simple if you shut it down before it overheats, not so simple if the piston rings have welded to the cylinders.

[nascarnation]

Thanks. Seems like some (relatively cheap) temp sensor and feedback systems need to be installed? Surprised capital equip this expensive doesn’t already have. Low cost insurance.

[Peet]

Simple if you shut it down before it overheats,...

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I wonder if that is why the attackers first cut the communication lines. ISTR the control center was some distance away.