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         Figure 9.8 Stages of wear on a cutting bit.


         References

         [1] Evans I, Pomeroy CD. Strength, fracture and workability of coal. New York: Pergamon
            Press; 1966. p. 195.
         [2] Thakur PC. Mass distribution, percent yield, non-settling size and aerodynamic shape factor
            of respirable coal dust particles [M.S. Thesis]. The Penn State University; 1971. p. 133.
         [3] Leonard JW, Mitchell DR. Coal preparation, the American Institute of mining. New York:
            Metallurgical and Petroleum Engineers, Inc.; 1968. p. 6e24.
         [4] Gomez M, Hazen K. Prediction of coal grindability from exploration data, U.S. Bureau of
            Mines. Report of Investigation 1970;7421:34.
         [5] Panov GE. Dust formation kinetics as a function of the principal mechanical properties of
            coal. Soviet Mining Science, (English Translation 1966:511e4.
         [6] Thakur PC, Sinha AK. Respirable dust index for U.S. coals. Colliery Guardian August
            1973:294e8.
         [7] Srikanth R, Ramani R. Single-breakage studies to determine the relationship between
            respirable dust generation and coal seam characteristics. Applied Occupational and
            Environmental Hygiene 1996;II(7):662e8.
         [8] Jha P. et.al. Relationship between respirable dust generation and coal seam characteristics.
            Applied Occupational and Environmental Hygiene 1996;II(7):655e61.
         [9] Khair AW. In: Principles of bit wear and dust generation, new technology in mine health and
            safety, SME Annual Meeting, Phoenix, USA; 1992. p. 175e83.
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