Beware!
...allowing small interested groups over the rope to watch whilst engineers were at work.
I remember rewiring PA474's main electrical panel at Waddington in 1968 while a small interested group watched.
That was the result of a very frustrated response to persistant questions of how long I was going to be.
"F*** off and tell 'em it'll be ready when I say it f***ing well is!"
One was rewarded by the undivided interest of OC MEAS, OC Eng Wing and Harry Staish himself.