Note to mod (please can I have that free personal title now)
.. too far down the food chain to be of much use to you there ..
... than answering all these posts off-the-cuff.
A lesson which just about all of us learn early in our careers .. in my case, being a bear of very little brain (as Milne would have it) .. I think it took me a tad longer than the average teddy bear to learn that lesson as a young engineer ... with several monumental clangers along the learning path.