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How to Make a Toothbrush Machine
Learn the intricate process of creating your very own toothbrush machine with this step-by-step guide. Dive into the mechanics and engineering principles that bring this everyday essential to life.
This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. LONDON (AP) — Toothbrushes used to be simple ...
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