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.
Multiculturalism that promotes maintaining the distinctiveness of multiple cultures is often contrasted to other settlement policies such as social integration, cultural assimilation and racial segregation.Multiculturalism has been described as a  salad bowl  and  cultural mosaic .ulticulturalism describes the existence, acceptance, or promotion of multiple cultural traditions within a single jurisdiction, usually considered in terms of the culture associated with an ethnic group.