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You may have seen how to change a tire on a car, but what about an excavator? Do the chains have to be changed too? André wants to know more about this and looks at how the heavy chains are removed from the excavator and what the so-called bucket of the excavator has to do with it. Then, of course, it's off to a test drive in the quarry! -------------------------------------------------------------- ▶️ More factual stories: • How is it done? ???? The page with the mouse: https://www.wdrmaus.de ???? All videos with the mouse in the media library: http://www.wdr.de/k/maus_mediathek ???? The mouse APP: https://www.wdrmaus.de/extras/mausapp... ???? The mouse on Instagram: / diemaus ???? The mouse on Facebook: / diesendungmitdermaus -------------- The show with the mouse is a format that is mainly aimed at children. This means: certain functions such as comments are not available for these videos. #SendungMitDerMaus #Sachgeschichte #Baggerkette