32:57

Mind-blowing Machines Operating At An Insane Level | The Most Satisfying Factory Tech! #37

20:47

Extreme Way they Produce Tons of Rare Salt in Asia

14:11

The process of making a concrete manhole. An amazing concrete factory in Japan.

20:22

Germany’s Special Technique to Remove and Replace a Giant Manhole

29:33

German Cars built in CHINA - FULL Production Process (how a car is made from scratch)