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Søren Wandahl
Søren has a background as a civil engineer specializing in construction management from 2002 and has since handled a wide variety of tasks and responsibilities within research and development, teaching, project management, organizational development, recruitment and line management. As a researcher he has produced over 65 scientific articles and contributions to 8 books in the field.
Articles By This Author
Time Waste on Construction Sites
Ohno applies three categories that work activities can fall into. Direct Work is the value-adding installation and transformation. Then there is a lot of preparatory work, which Ohno calls for Non-Value-Adding Work.