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k r thanki k.r.thanki research process research importance research and interpreneurship sewage disposal basics of sewage disposal sewage sanitary engineering technical terminologies of sewage disposal fire resisting building fire fire protection causes of fire and effects of fire fire fighting installations roof exit / fire lifts is method of design mix of concrete is method of concrete mix design factors affecting choice of mix design concrete mix design railway points railway crossing yards railway yards railway ijirst groundnut shell ash soil stabilization basics of sound insulations technical terminologies of acoustics acoustics acoustic engineering basics of acoustic technical terminologies of drains and sewers sewers drains basics of drains and sewers enterpreneurship grades of concrete construction and design failures distress in structure causes of distress in structure condition assessment evaluating damaged structure inspection of damaged structure water resources engineering hydrology hydrologic cycle forms of precipitation types of precipitation basic terminologies of rainfall measurement of rain fall methods of calculating average rainfall runoff electrical services basic terminologies of electrical services types of wires system of wiring nominal mix and design mix methods of concrete mix design types of solar radiation types of solar cells p v system solar radiation p-n junction solar collectors solar energy solar radiation measurement instruments electromagnetic spectrum inverse square law principles of measurement of solar radiation: solar photo voltaic system solar power utilization solar power solar cell repair strategies distress diagnostic techniques