To be honest, just dealing with this once can make you remember it for eternity. For example, I know that if I want to declare a computer peripheral to the cus

To be honest, just dealing with this once can make you remember it for eternity. For example, I know that if I want to declare a computer peripheral to the customs, there is a good chance to get the correct TARIC code in the chapter that literally starts with "Nuclear reactors"...