kerroksisena
Kerroksisena is a Finnish word that is often used in the context of radiation protection and nuclear safety. It is a noun that roughly translates to "radiation area" or "restricted area" in English. In Finland, the term is commonly used to distinguish areas that have been contaminated with radioactive materials from those that have not.
Kerroksisena areas are typically restricted to those who have received specialized training and clearance to enter
The designation of an area as kerroksisena is usually made by the relevant regulatory and safety authorities,
In addition to its practical applications, the term kerroksisena has become somewhat synonymous with the concept