Definitionn. air passage consisting of a ventilation shaft through which air leaves a mine
Last update: October 19, 2015
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In a mine with shafts opening at the same level, natural ventilation once established will be effective during cold weather, as the downcast will have the temperature of the outside air, while the upcast will be filled with the warm air of the mine. [Please select]
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The upcast reflection of a lamp and shade, an inconstant series of concentric circles of varying gradations of light and shadow. [Please select]
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Mr Bloom walked unheeded along his grove by saddened angels, crosses, broken pillars, family vaults, stone hopes praying with upcast eyes, old Ireland's hearts and hands. [Please select]
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Then she knelt her down and prayed; With her eyes upcast to heaven, down she sank upon the ground, And she prayed to God to tell her where the roses might be found. [Please select]
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