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Of course, all our gadgets these days have batteries. They wear out after a couple years, and you replace them.
The curved bubble shell is a real bear to get open. We're pretty good at this kind of thing, and still managed to (slightly) break the glass. I would love to see the manufacturing process for this complex shape!

John Deere has repeatedly told regulators that farmers can't be trusted to repair their own equipment. This foundational work will pave the path for farmers to retake control of the equipment that they own. #RightToRepair
I believe this is now the most comprehensive online resource for medical repair professionals. We’ve posted over 13,000 user and service manuals for thousands of medical devices, from ventilators to microscopes. /2
The butterfly mechanism is powered by a stainless steel spring. That spring is covered by a plastic membrane. This membrane is below the butterfly, and separate from the ingress-protection that they added in the last generation. 