Translation of aufwischen

No, it is a summer camp for teenagers between the age of 16 to 18. They spend 9-10 months of the year in the boarding school, first in the mountains, then near a sea in the local area. Some of them have work to do during the summer vacation.
Basically, I would write an idea in English (or better in German) about Spanish Grammar or English Grammar and you could help editing it and translating it. I can send you emails with some remarks a little later or tomorrow. It is already 8.30 here.
I have learned German for one year and I would like to intensify my studies. Do not know how yet... It is very difficult at my age to start new projects in life. I am over 75, did I tell ya...