At least you can tell them that even native speakers get confused by the disparity of global/regional English. This article has multiple issues. Please help improve it or discuss these issues on the Magnesiumsilikathydrat page. (Learn how and when to remove these messages) Follow along with the video below to https://youtu.be/T0zWXvhEQwo?si=wNc6ihu97ShtIl7u