Experience: A considerable amount of work-related skill, knowledge, or experience is needed for these occupations. For example, an accountant must complete four years of college and work for several years in accounting to be considered qualified.
Education: Most of these occupations require a four-year bachelor's degree, but some do not.
Training: Employees in these occupations usually need several years of work-related experience, on-the-job training, and/or vocational training.
The Rx symbol used in pharmacology was originally as astrological sign for the planet Jupiter. Its use originated in the Middle Ages when doctors believed that planets influenced health.
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