Water in engine through air intake Can this happen

Think there is a bit of confusion here might be me not explaining it right.
The garage that did the cambelt is a joke he says it is nothing to do with him ha ha! My wife did not
own the car when belt was done we had only just bought it.
The person who repaired it for me is a top mechanic who is on renault forums and said it will most likely
need a few valves. When he took the head off he could not believe the damage, he as shown it to other people
who could also not believe it. Hope that explains it better.
 
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