Translation of Druckmittel

He also told me that he had build his scooter by himself. I could not understand how a doctor was able to build such a machine on his own. It seems that the circumstances made people capable of many things.
The other visitors in my group were from the United States, Canada, Germany and from other parts in Mexico. I need to say that it was so much fun to meet people and spend an entire trip with them.
As soon as I went to bed, incredibly loud music starting playing from right beneath my room. The music was so loud that I could not fall asleep despite my jet lag and despite being extremely tired.