> "Anything that can go wrong will go wrong" The proper version of Murphy Law, which seems missing on Wikipedia is ~ "If a part can be installed in more than

> "Anything that can go wrong will go wrong" The proper version of Murphy Law, which seems missing on Wikipedia is ~ "If a part can be installed in more than one position, it will be incorrectly installed in the field given enough time" It is almost last on the mitigating risk pyramid, training people to do things properly. PPE is the only one lower. To apply it here, would be "inadvertently stepping on it". They chose to train staff not to step on it. You can't mitigate all risk, maybe it was the best choice.