Internships and trainings are widely used as project-based learning activity for students on mobility. Students obtain practical operation of instruments, skill to run experiment, evaluation of data as a basic skills and knowledge. Preferably it is also acquired planning of project, time management, source search and also working in team. Internationalization is a key to meet different cultures, research styles, characters and experiences. It is no doubt that it improves students involved in kind of internationalization at home too.