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Indian Railways has a maximum passenger loading gauge of 3,660 mm (12 ft 0 in) [51] and a freight loading gauge of 3,250 mm, with development allowing a width of 3,710 mm (12 ft 2 in). [ 52 ] Sri Lanka Railways has a loading gauge of between 3,200 mm (10 ft 6 in) and 4,267 mm (14 ft 0 in).
Cranes are commonly employed in transportation for the loading and unloading of freight, in construction for the movement of materials, and in manufacturing for the assembling of heavy equipment. The first known crane machine was the shaduf , a water-lifting device that was invented in ancient Mesopotamia (modern Iraq) and then appeared in ...
A 3.1-metre (10 ft) secondary mirror is to produce an unobstructed field-of-view of 20 arcminutes in diameter with a focal ratio of 15. A 3.5-by-2.5-meter (11.5 ft × 8.2 ft) flat tertiary mirror is to direct the light path to science instruments mounted on large Nasmyth platforms. [57] [58] The telescope is to have an alt-azimuth mount. [59]
At each end of the arch stands a pair of 89-metre-high (292 ft) concrete pylons, faced with granite. [19] The pylons were designed by the Scottish architect Thomas S. Tait, [20] a partner in the architectural firm John Burnet & Partners. [21]
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