These 41 Weird Objects Were Total Mysteries Until The Internet Came To The Rescue

The secret mechanical compartment hidden in the person's walls is, by far, one of the coolest things I've ever seen.
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8 Tips for DIY electrical! // Shop Build 4

I decided to go the DIY route for wiring my new shop. Will it pay off? Can I pass inspection? ⏱ TIME STAMPS ⏱ 00:00 Intro ...