Interesting to me, movie coming up soon, Ray Kroc "The Founder", seeing I built some of the kitchen equipment in NZ when they established in the early 70's there, then the company I worked for took over the Australian manufacturing as well when the Aussie one fell foul because that maker wouldn't follow the plans for the gear, modifying/simplifying, to screw the last $ and destroying the well designed cooling ventilation systems that was built in to the units.
When we first started it was a real shock, normally being used to fairly basic line drawings provided by a pretty useless drafting dept and being the ones to get that to a finished product. Here we had great books of blueprints for each piece, highly detailed, with at first confusing line images with the layers of box sections etc overlaid on each other. A bit overwhelming at first till you sort of developed a 3D view of them, which is what they were in 2D.
We had been building the Aussie "styled' ones for about 12 months before the bust up and when McD's took the contract off the AU builder, the US rep who had been overseeing the production in both countries, put a halt to any work on the ones for over here (seeing I live "here" now) and put them into mothball storage while we replaced the outstanding orders. Kept us going, NZ'ds market wasn't that big. Later the "crookies" were brought out from storage for rehabilitating if possible. One of the ones I built was the fries unit, and to upgrade it involve cutting off the side where the fryers were so that new parts that incorporated the internal ductwork was and reattaching it to the saved piece. Seeing the "bad" bit was going to scrap, I would cut through the panels so all that was holding it to the other end, was tiny bits of the metal at the top side corners of the top hood, the rest just hanging. Cut one, it would move away a tad, cut the second and that section would crash to the concrete floor with a loud bang. As it happened (twice) the rep, who was a nice guy to talk to (he reckoned there was nowhere in the US that could do what we were doing, probably not true, but it sounded good) on his bi-annual visit with the factory manager, walked into the workshop just as I cut that last bit off, poor bugger.