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.
When used as a count noun, a culture is the set of customs, traditions, and values of a society or community, such as an ethnic group or nation. 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.