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In semiconductor manufacturing, furnaces are used for diffusion and deposition operations. A furnace is a batch processing machine, which can simultaneously process a number of lots together as a batch. Whenever a furnace becomes available, scheduling the next batch involves decisions on both which operation to process next (dispatching policy) and how many(More)
A mong Wisconsin geologists, they're known as the Wonewoc Formation and Tunnel City Group—rock units named for places in Wisconsin where they are well exposed and were first described. These rocks underlie almost half of the state. But these porous rock units present in areas of west and central Wisconsin could also be a potential source of groundwater(More)
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