Interact candidly - don't avoid your error while trying to parse. You wrote "IF it suffers failure..." so the "it" was not the example of failure you gave, "it

Interact candidly - don't avoid your error while trying to parse. You wrote "IF it suffers failure..." so the "it" was not the example of failure you gave, "it" was hypothetical . This is why I asked you what "it" was - not so that you could elaborate on what you could have been talking about, I asked to give you a fair chance to realise "it" was yours to define - a hypothetical dam, one defined only by "the nature of things" and a "death toll makes nuclear accidents look like almost nothing"