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File:Hand excavation for a retaining wall to be built for the Mid-day Storage Yard. (CQ033, 10-16-2019) (48920158151).jpg - Wikimedia Commons
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Nigerian workers making a manual excavation in the construction site of a building Stock Photo - Alamy
Lecture Two Earthwork ) Excavations and Filling ( Earthwork: Earthwork is one of the works that are found in all building c
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