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    Professionals increase the existing stock of knowledge, apply scientific or artistic concepts and theories, teach about the foregoing in a systematic manner, or engage in any combination of these three activities. Most occupations in this major group require skills at the fourth ISCO skill level.

    Tasks performed by professionals usually include: conducting analysis and research, and developing concepts, theories and operational methods, and advising on or applying existing knowledge related to physical sciences including mathematics, engineering and technology, and to life sciences including the medical profession, as well as to social sciences and humanities; teaching the theory and practice of one or more disciplines at different educational levels; teaching and educating handicapped persons; providing various business, legal and social services; creating and performing works of art; providing spiritual guidance; preparing scientific papers and reports. Supervision of other workers may be included.

    It should be noted that, depending on the specific tasks and degree of responsibility in executing them, as well as on the national educational and training requirements, it may be appropriate to classify some of the occupations that are identified here into Major group 3, Technicians and associate professionals. Such like cases are to be found in particular among teaching occupations, nursing occupations and social services occupations.

    Occupations in this major group are classified into the following sub-major groups:

    21 Physical, mathematical and engineering science professionals

    22 Life science and health professionals

    23 Teaching professionals

    24 Other professionals

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 Updated 16 September 2004, by VA.