Translation of maximieren

The Institute is using the technology with great success, in the departments that I mentioned to you on the phone. Several universities in Europe are also testing it, but we cannot publish that.
Other tourists needed to check out first before others could check in. I wanted to see the ruins on the same day and booked a tour in this little jungle settlement and waited for the tour guide.
We walked by waterfalls and rivers, but the water was too cold to swimm in. The hike made us tired and we were in the valley, which meant that we had to climb up again. The climb was difficult.