According to Bismarck the two things you should never see being made are laws and sausages. Here we reveal the machines involved in the process that is less stomach churning - it involves taking meat and making it into a brown paste then putting it into a colon, traditionally pigs intestines but now plastic. The irony of this being the exact reverse of eating and pooping, obviously hadn't been lost on the German general.There are no more distressing images here beyond what you'd see in the meat section at the supermarket (merely gross ones), but the clip for the Advanced Meat Recovery System which is accompanied by some smooth dinner jazz and whose opening caption reads ‘preparing the beef neckbones with a bandsaw' wins a prize for lack of sensitivity.