Translation of Rasierapparat

Can you translate: Are you using the firefox browser? Install this tool in your browser window. The ones I suggested the other day are the most useful ones, because we would use it for generic terms which differ from Spanish.
I hope that I will have time to go skiing. Maybe it is even better to go at the end of the season. The doctor, however, did not give his diagnosis yet. If I cannot go I will have to find an alternative.
I studied art in Germany. I would now like to learn Spanish. Can you teach me a little Spanish? Many greetings from Ukraine. I live in a small town, near Krim, close to the Black Sea.