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Saturday, February 23, 2019

levelling graph.....profile levelling

                                                                       /LEVELLING/
*Profile levelling with cross section:-


*RL=Reduced level
*M.S.L
*Bench mark=B.M............(Arbitary Benchmark)
                                              (Permanent Benchmark)
                                              (Temporary Benchmark)



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**IRRIGATION TECHNICS Irrigation:- The science of artificial application of water to the land,in accordance with the 'Crop requiremen...

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