Privacy declaration for embedded videos: When playing these videos, contact is made with Youtube servers in the US and user data (such as IP address, date and time of the call, browser credentials, etc.) is transmitted. The videos are embedded in privacy-enhanced mode using a preview image stored on our server, so no data will be transferred to Youtube / Google before the video is started by clicking on the preview image. Google's privacy policy, including information about the data collected, use, storage period, and opt-out options, can be found at https://policies.google.com/privacy. If you do not want to transfer data to Google, do not play the videos. If you have any questions about our products, please contact us by e-mail or telephone.