After the test unit stage, the archaeologists used a combination of heavy machinery and hand excavation with flat shovels and trowels to expose the subsoil and any features cut into it. The results ...
Excavation in urban areas is fundamentally different from excavation in open land. In cities, the ground is not just soil. It ...
Excavations and trenches have become so commonplace on work sites that some employers and employees have developed a sense of complacency with some of the most basic requirements of excavation safety.
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