One of the operators featured is Era Helicopters operating out of Louisiana in support of Gulf of Mexico oil operations.
Their mechanics' tool chests are key card locked and every time a tool drawer is opened a camera records an image of the drawer's contents and shows what tools are removed and returned.

At the end of a shift the screen must show all tools accounted for.
I wasn't aware of this high tech approach to tool tracking.
I wonder to what extent Boeing makes use of this technology as they seem to have problems in this area, among others.

PP