Pitting resistance equivalent number (PREN) is a predictive measurement of the corrosion resistance of various types of stainless steel. In general: the higher PREN-value, the more corrosion resistant the steel. Steels with PREN-values above 32 are considered seawater (corrosion) resistant.
the state or condition of being multicultural. 2. the preservation of different cultures or cultural identities within a unified society, as a state or nation. Origin of multiculturalism.
In this sense, multiculturalism is a concept that values the peaceful coexistence and mutual respect between different cultures inhabiting the same territory. Sometimes culture is also used to describe specific practices within a subgroup of a society, a subculture (e.g.  bro culture ), or a counter culture.ome aspects of human behavior, such as language, social practices such as kinship, gender and marriage, expressive forms such as art, music, dance, ritual, religion, and technologies such as cooking, shelter, clothing are said to be cultural universals, found in all human societies.