复原古门锁剖面展示，古人的智慧【阿木爷爷 Grandpa Amu】

Life is full of flavors, and life needs to be faced with a smile!
Hello everyone, I am Grandpa Amu, an old carpenter who likes to focus on woodworking. If you like my videos, please continue to follow my channel. The videos we shoot are mainly wooden crafts. Next, my son and I are 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, and everyone can enjoy them slowly. Thank you for your support.
Youtube 【Grandpa Amu】https://bit.ly/2X8YIu3
Facebook 【Grandpa Amu】Facebook: GrandpaAmu188
All videos produced by this channel comply with the platform's usage policy and there is no violation.
#GrandpaAmu#Ancient door lock#Cross-section display

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