Fabe56
Unable to answer "What kind of building is this?" for https://osm.org/way/535921525 via StreetComplete 34.1:

North West part is the roof for petrol station, few meter gap and the commercial building.

Attached photo(s):
https://westnordost.de/p/61222.jpg
https://westnordost.de/p/61223.jpg