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Cutbacks and emulsions, Cutbacks And Emulsions: Cutbacks A cu...

Cutbacks And Emulsions: Cutbacks A cutback is a bitumen whose viscosity has been reduced by adding a diluent such as naphtha or kerosene. The use of cut-back is not f

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Quality control of concrete roads, Quality Control of Concrete Roads: ...

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Sucker deck principle for changeable depth bridge decks, Question What is t...

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Good surface regularity for sub-base in concrete pavement, Q. Good surface ...

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Indirect method of contouring(grid method),

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The right triangle, a lighthouse standing on the cliff observed from two op...

a lighthouse standing on the cliff observed from two open boats A and B in a vertical plane thourgh the lighthouse.the angle of elevation of the top of the lighthouse viewed from B