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.
Cambridge English Dictionary states that culture is, the way of life, especially the general customs and beliefs, of a particular group of people at a particular time..n 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.