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First, letâs define each of these terms: 1  Push System: is a system in which we produce goods based on our best projections of what the market wants. 2  Pull System: is a system in which the production of goods is initiated by the person or organization who consumes that good.
Pull systems are part of the Lean manufacturing principles, born in the late 1940âs. A lean pull system has the purpose of creating a workflow where work is pulled only if there is a demand for it. Essentially, the purpose of implementing a pull system is to build products based on actual demand and not on forecasts.