The Zacns is a tanker wagon used for transporting chalk slurry over long distances. The slurry is used in the production of cement.
The Z means it is a metal container for gases or liquids, The A means it has 4 axles, the C means the load is chalk slurry, The N means It has 2 bogies and can carry over 30 tonnes and the S means it can run up to 100Km/h