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Examples ofupcast shaft
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Two downcasts and oneupcastshaft, of sufficient dimensions to take the air from the other two.
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Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0
There is a downcast and anupcastshaft, but the coal goes up on a belt at an incline.
From the
Hansard archive
Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0
The one is anupcastshaft, and the other is a downcast shaft, and they did start, some 10 or 12 years ago, to sink a third shaft.
From the
Hansard archive
Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0
Moreover, in many mines theupcastshaftis not habitually used for winding persons or minerals, and, being, therefore less obstructed than the downcast, it has a greater net size.
From the
Hansard archive
Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0
I am informed by my expert advisers that it is considered good mining practice to make the diameter of theupcastshaftgreater than that of the downcast.
From the
Hansard archive
Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0
Every cubic foot of air that is allowed to escape, short-circuit itself and go back to theupcastshaft is detrimental to the health of the workers at the coalface.
From the
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Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0
Ltd., using the 1840 shaft as the ventilationupcastshaft(and, later, for manriding).
From
This example is from Wikipedia and may be reused under a CC BY-SA license.
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.Theupcastshaftwas then fitted out for coal winding and output continued to climb.
FromThis example is from Wikipedia and may be reused under a CC BY-SA license.
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
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