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The variables that add to the discharge problems are primarily moisture web content of accumulations, quantity mini piling services of fines in RAP material as well as the fairly very long time of exposure of the aged binder to the generated hot heavy steam. Regarding the application of the 3rd technique in continuous plants, an usual modern technology is the parallel flow drum mixer, which allows the intro of RAP accumulations at the middle. This option anticipates the introduction of virgin accumulations at the front of the heating drum, which form a dense veil of falling material that safeguards the RAP aggregates to a straight contact with heater flame.