Machine 机器

The world’s largest dam pipe. This is how it is built! source

Most satisfying machines and ingenious tools. Amazing! source

No human could have guessed what this invention could do. Unbelievable. source

With this invention he found, he challenged Tesla engineers. Wonderful homemade means of transport. source

I bet this construction invention will rewrite history. Unbelievable. source

The modern road construction of the Netherlands is changing world history. source

You will not believe the production processes in the factory. modern machines. source

The 10 Largest Pipe-laying Ships in the World… source

These homemade inventions shocked even the president of Russia. Putin couldn’t believe it. source

The invention of this amateur inventor shocked even Elon Musk. Unbelievable. source