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Figurgo's Instagram account, who made and sent the gear mechanism for me: / figurgo In this video, I tested an incredible gear mechanism. This is such a mechanism that if it was strong enough, you could easily lift a truck with your finger. I also made a strong pulley system that works with a similar logic to a gear. With it, I was able to lift a weight of about 100 kg with my finger. ----------------- I added my own channel to my Mediakraft adventure, which has been going on for years. I do a lot of cool experiments, explain science and build great things here. Enjoy watching Instagram: / sserdaraksu