This week it’s all about bauma – the world’s largest construction machinery trade fair. And we’re curious: How well do you and the visitors really know Zeppelin, Caterpillar and bauma? On the first day, we grabbed Martin and Radi here in Hall B6 and tested their knowledge. What can you expect from our two quiz contenders? Will they prove their expertise, or will the quiz be a bit tricky?

So, who won in the end? We can tell you, both of them were very ambitious: