Higher, stronger, more robust: crane builders outperform with superlatives. Loads are getting heavier and have to be lifted to hard-to-reach places. One of the largest crane companies in Germany is the Knaack Krane company in Hamburg. The company currently has around 60 different cranes in stock, the largest of which can lift up to 750 tons. It is a long way through planning and assembly until the machine is used for the first time - the report accompanies the creation of a mega crane.

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