Translation of Schusswaffe

please look at the attachments and tell me if there is something missing. I did not want to send you brochures that are intended for the hardware market. The company has experience with all routers.
They wanted to know everything about relationships in Switzerland. One of the asked me of how guys propose friendships to girls. I did not know what she meant and explained that we were very informal.
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.