upcast shaft meaning in Hindi

Examples

1. At the foot of the upcast shaft a furnace was kept continuously burning.
2. The upcast shaft was then fitted out for coal winding and output continued to climb.
3. The downcast shaft was converted to an upcast shaft with a furnace burning continuously at its foot.
4. Finally, in 1919, work commenced on deepening the upcast shaft to enable access to the lower seams
5. The Hetty shaft was closed in 1926, but remained as an upcast shaft for the Tymawr Colliery.
6. The induced draught was obtained from a pair of furnaces fed with fresh air around from the upcast shaft itself.
7. The ventilation had reversed and air was passing down the upcast shaft . A watch was kept from the surface.
8. The upcast shaft, which was for men and materials, had two single deck cages, each of which could hold two tubs.
9. The upcast shaft was converted to supply air to Shirebrook s workings for several years and this turned out to be a blessing in disguise.
10. The Garth pit was used as the downcast shafts and the Oakwood as the upcast shafts to provide ventilation for the miners of both collieries.