Financial Daily from THE HINDU group of publications
Tuesday, May 13, 2003
Financial Daily from THE HINDU group of publications Tuesday, May 13, 2003 |
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Corporate
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Research & Development SAIL R&D unit develops new steel props for coal mines Our Bureau
KOLKATA, May 12 THE Ranchi-based Research & Development Centre for Iron & Steel (RDCIS) of Steel Authority of India Ltd, in collaboration with the Central Mine Planning Design Institute of Coal India Ltd has developed high-strength, lightweight steel props for use in underground coalmines. According to industry sources, these steel props are likely to replace the existing timber props, which have some inherent disadvantages such as restricted availability and non-uniform strength."Timber props are gradually being replaced with steel props but these are also heavy and difficult to install and transport.
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