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Space is used to split words, "" can be used to search for a whole string (not indexed search then)
AND, OR and NOT are prefix words, overruling the default operator
+/|/- equals AND, OR and NOT as operators.
All search words are converted to lowercase.


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The REFA association is Germany’s oldest organisation for work structuring, company organisation and development. REFA develops methods for company data evaluation and management, and after consultation with unions and management these are transferred into an organisation’s own apprenticeship. The main purpose of the association is to “increase efficiency through training”. It is an international provider of on-the-job training. Founded in the tradition of “scientific management” it represents “Industrial Engineering” in the German-speaking region.

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