What is the difference between gray water and black water in sewage? How can we differentiate between them in a sewer?
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Discy Latest Questions
What are the different structural shapes used in steel structures? Kindly named it and explain the importance and function of these structural shapes?
What are digital elevation models in a GIS software? Why we used it in a GIS software? Explain it benefits for the civil engieering and how we used it for survey of sites?