Translation of decalcification in German

In May I'll be able to show the machine at an exhibition in the university. In addition, we can show it to all these university partner laboratories in the U.S., which are led by people who live here.
In South American we speak normal Spanish, but sometimes it sounds like music and not as you are used to it from the school books and video tutorials from the language schools that you have learned in Guatemala.
Did you have fun with your family? What is your mother tongue? Thanks for your answer, I have understood everything. I have a brother who lives in Panama! I wish you a nice weekend.