У вашего броузера проблема в совместимости с HTML5
Building a shop made (Router Jig) that works like an Etch A Sketch, I built this 3 axis router jig to inspire my kids to spend more time in the shop. They love this new router jig and are learning a bit of woodworking in the process.
subscribe - https://www.youtube.com/user/rusticman1973
Website - http://www.thinkwoodworks.net
Facebook - https://www.facebook.com/izzyswanswoodworks
Instagram - https://instagram.com/thinkwoodworks
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Please watch: "Flawless layout with my Straddle Square | Izzy Swan"
https://www.youtube.com/watch?v=72jjwoshvUM
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