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.
A multicultural classroom is one in which both the students and the teacher are accepting of all races, cultures, and religions. This acceptance is evidenced by the books that are read, the activities that are completed, and the lessons that are taught.