"I've even gone to the point of not entering dangerous machine areas (Mixers and conveyors) unless I had the fuses from the starter panel in my pockets.."
I used to work (as a subcontractor) in industrial environments and did just the same, but also made sure there was a shortcut in place after the removed fuses, because there's always an in-house technician wandering around with some spare fuses somewhere in the drawers of his workbench...