document: Modeling and simulating practices , a work method for work systems design Work systems involve people engaging in activities over time-not just with each other , but also with machines , tools , documents , and other artifacts . These activities often produce goods , services , or-as is the case in the work system described in this article-scientific data . Work systems and work practice evolve slowly over time . The integration and use of technology , the distribution and collocation of people , organizational roles and procedures , and the facilities where the work occurs largely determine this evolution
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