Mystery manufacturing process - GIF

Mystery manufacturing process.

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Previously:

Mystery cable installation process - GIF
Mystery hole digging drop tool - GIF
Mystery manufacturing processes - GIFs
Mystery rod banging machine - GIF
Mystery rod shuffling machine - GIF

It just looks like a plastic extrusion pelletizing process but missing the knife that chops them off at length. Maybe testing after repairs or a new process or changing the die size?