Which is easier to learn, the printing press or the box pasting machine?

It's all technical work, see which one you want to do more. It's easy, and it's not easy. As long as you want to learn, difficulty is not a problem.

Now it's all mechanized and automated. Labor is all auxiliary. Learning printing requires a certain sensitivity to color and a certain grasp and discretion of parameter values. Of course, this is also practice makes perfect. The box pasting machine is not difficult to operate, both of which are related to the packaging industry. Practice makes perfect, and slow practice can also be used well. It is not enough for a process to have no precipitation for about two years. It seems so on the surface, but it is not. Neither is difficult. You should study hard, you can learn both well. With accumulation and precipitation, you can start your career. Come on!