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In some places on this page you will find a small triangular start symbol ; – this symbol indicates a LISTENING CONTRIBUTION.If you click on it, a spoken explanation of the respective product will begin. You will learn more about the material, effect, application and special features of the article – easy to listen to without having to read. You can pause or resume the article at any time during playback. The volume can be adjusted directly on your device. Our audio articles offer you an additional service and make important information more easily accessible for users with impaired vision.If you have any questions, you can reach us around the clock on 089 39 29 73 50 Simply click on the start of the audio clip.
