Do we need to list all the contingencies when an engine must not explode? Can't that be just a general requirement of engines? Edit: On second thought, I sup

Do we need to list all the contingencies when an engine must not explode? Can't that be just a general requirement of engines? Edit: On second thought, I suppose jet engines are generally in a constant state of exploding. Maybe the rule should be "Upon ingestion of a large bird, keep exploding".