1:27:13
Inside the 120-Day Journey: How Hydraulic Hands Crafted a Giant Industrial Machine!
33:32
Unbelievable Recycling ! How Old Waste Tyres Are Turned Into Oil Fuel & Steel Wires in Factory
1:37:01
¡El proceso de reciclaje de Japón! 1000 toneladas de botellas de vidrio desechadas se convierten en
41:24
Have you seen this kind of giant piston before?
52:03