what do you think made the first machine? to manufacture things, we use machines, which were manufactured by other machines, correct? and if a person did it, what did they do it with? A machine? Help.
a simpler machine, which was made by a simpler machine, which was made by something almost too simple to be called a machine but you might call it that if you want to. which was made by something defintely too simple to be called a machine but was definitely an interesting tool. which was made by a simplier tool, which was made by something that might be too simple to call a tool but you could call it a tool if you want, which was made with a rock