Grandpa Amu picked a piece of wood, sawed it round, and made an ancient wooden door lock. You can clearly see its manufacturing principle.
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Hello everyone, I am Grandpa Amu, an old carpenter who likes to focus on woodworking. If you like my videos, please continue to pay attention to my channel. The videos we shoot are mainly about wooden crafts. Next, my son and I I am also working hard to shoot more creative videos and share them with everyone, so that every reader can learn knowledge and relieve their mood. There are also many wonderful works in the channel, which you can enjoy slowly. Thank you for your support.
Immerse yourself in carpentry and restore the ancient door lock manufacturing principles [Grandpa Amu]
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