Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Water Management System of Augsburg' has mentioned 'Factory' in the following places:
Occurrence Sentence Text Source
The MAN factory at Augsburg was the largest German manufacturer of engines for U-boats in World War II and became the target of the Augsburg Raid.
When the Avro Lancaster bomber was new in service, the RAF sent 12 at low level to bomb the factory in daylight, 17 April 1942.
The factory was damaged but production continued; the factory was repeatedly bombed later.