Translation of Schwefelsäure

I was wondering whether such a technology is suitable for your home. I would like to meet you in person and explain you a little more about the implementation, the advantages and the drawbacks.
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 shared a cabin with an elderly couple from Spain. They started blablaing about Spain, about their corrupt government and about their civil war. They should not work in PR, advertisement or sales.