24:49
Processus de production en série de bulldozers : impressionnant ! Une usine moderne !
1:00:12
How America Raises 75M Pigs Every Year – Inside Modern Pig Farms | Processing Factory
35:13
Forging a Samurai KATANA Sword From Old Roller Shaft | How Recycle Old Roller Shaft into Blades
27:04
Amazing Aluminium Recycling Process in Factory | How Aluminum Scrap Becomes Huge Cooking Pots
37:37