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Note added at 8 mins (2008-08-18 01:43:34 GMT)
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www.google.com/search?hl=en&q="in a cascade-like manner"

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Note added at 25 mins (2008-08-18 02:00:08 GMT)
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This procedure has the advantage that the metal ores and additions travel through the trays, which are arranged in a cascade-like manner, on a back-and-forth, downward-sloping path through the reduction unit, below the individual trays, by selecting their spacing and their arrangement in a suitable way,

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Note added at 27 mins (2008-08-18 02:02:07 GMT)
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The step drier is equipped with two separating and drying zone limiting walls, which are surrounded by the shaft-shaped housing and which form a separating zone and drying zone between them and which are traversed by hot gas in a cross current, which separating and drying zone limiting walls have baffles that are transversely downwardly slanted in the direction of the is charge opening for separated coarse material that is possibly still moist and that are arranged in a cascade-like manner which could include being slatted,