Excavation, Murmur Filling, compound wall construction Excavation is the process of moving earth, rock or other materials with tools, equipment or explosives. It includes earthwork, trenching, wall shafts, tunneling and underground. Excavation has a number of important applications including exploration, environmental restoration, mining and construction. Among these, construction is one of the most common applications for excavation. Excavation is used in construction to create building foundations, reservoirs and roads.

murrum is a very common word used all over the world for coarse grained material mixed with fines which is used for road and embankment construction widely all over the world Compound wall means a wall separating two independent plots.