In the 1930s locomotives were also produced.
The preceding conversation:
Conversation transcript:
 * What was the main activity of Kirow Ardelt GmbH?.
 * Until the present day, these cranes (also called gantry luffing and slewing cranes) are the key products in the company's product range..
 * What are some of the projects they were involved in?.
 * Between 1927 and 1934 Ardelt played a major role in constructing the Niederfinow Boat Lift..
 * Did they do any other work?.
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