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What is bei Acgih?

What is bei Acgih? The American Conference of Governmental Industrial Hygienists (ACGIH®) is a scientific professional society that establishes Threshold Limit Values (TLV®) and Biological Exposure Indices (BEI®) as guidelines to assist in the control of […]

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What is nominal and categorical data?

What is nominal and categorical data? Categorical variables are those that have discrete categories or levels. Categorical variables can be further defined as nominal, dichotomous, or ordinal. Nominal variables describe categories that do not have a […]

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What is emotional abstract art?

What is emotional abstract art? Abstract paintings make you an observer of artist’s emotions Abstract paintings are the purest expression of an artist’s mind and emotions. The emotional objectivity of abstract art lies in the characteristics […]

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