me :(. . what' s your favorite type trf machine to use at the gym? the vending machine. Fun fact. The vending machine was invented in Greece in around 50AD. The man who invented it was a genius only known as "The Hero of Alexandria". He i me :( what' s your favorite type trf machine to use at the gym? vending Fun fact The was invented in Greece around 50AD man who it a genius only known as "The Hero of Alexandria" He i