Small vials are often seen in the news. The important Corona vaccine is transported in them. Because this medicine is very sensitive, don't these vials have to be very special? This question was investigated by the "Programme with the Mouse". In fact, one of the main components of the glass for the vials is very special. It is fine quartz sand, which only exists in certain places on Earth. It is mixed with other minerals and heated to 1 600 degrees Celsius in a large furnace. In many slow-motion shots, the viewer can see how small special tongs form vials from the rotating glass tubes in several production steps. The result is a very stable container for the safe transport of vaccines. The vials from production are checked in a final quality control step and sent to the filling stations of the pharmaceutical companies. There, machines fill them with vaccine, label them and seal them airtight. Now they can be distributed to doctors' offices and vaccination centers.