Translation of Werkstück

Yesterday, I heard a very good example to explain my point: On their journey more than ten years ago, the presidential couple Mr. and Mrs. Clinton visited Egypt. They were welcomed by the president.
In addition, I want to inform you that I found a possibility to deliver a more Spanish lessons from Vocabulix. To my knowledge, the lessons are excellent and a great base for the Spanish training.
In order to see it you have to complete a lesson. I attached a screenshot. I did not place any rating there, so that it will not demotivate some of the users, especially the fresh beginners.