From Bill Gates Patent."It will be apparent to one having ordinary skill in the art that the material delivery device described herein allows for myriad variations in delivering materials to an animal, and in particular a HUMAN. Any aspect of the function of the material delivery device including, but not limited to, the timing and quantity or concentration of material delivery, may be programmed into the device or may be controlled by a remote controller, as desired by the user."
As seen in two images Patent and abstract from patent. Device opens and closes with electromagnetic signal. That signal comes from the 5gee system.

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