How do you print stuff on sheet metal as is done on Tin cans. What is (or are) this printing technology called

Products that are sold with Tin containers have the product information printed on them. I am curious as to how that is done for several large quantities to make them cheap enough for consumer purchas.How do you print stuff on sheet metal as is done on Tin cans. What is (or are) this printing technology called
it is a two color spray jet system that pepsi devoloped I think the can is formed out of a cube then it goes to another station where it is filled with pop of pepsi (lets say) then it moves on to the top that gets crimped on to the can and still the can is new nothing on the outside but the convayer that the can is sitting on I think is modified or it passes it on to another machine that rotates the can and well it does a computer scans the can and a series of ink nossles spray the pepsi logo onto the can and it is put back on a convayor to the dryers and out to the inspectors and then to the store then you buy it and drink itHow do you print stuff on sheet metal as is done on Tin cans. What is (or are) this printing technology called
just as u have special inks and machinery, for printing on paper same way they have special machines and inks and other equipment for tins... i think it called ';gravure'; printing