1) Ammunition chests 2) Chests for ammunition 3) Coffin carriers, at times 4) Two-wheeled artillery wagons 5) Watertight structures
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1) Camels 2) Chests
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(Learning Modules / Mathematics / Bridges) A cofferdam is a temporary watertight enclosure constructed on the spot where a pier is to be built. A cofferdam usually consists of sheets of steel driven into the ground to create a walled chamber. The cofferdam is then pumped dry to expose the riverbed. Soil can be excavated to bedrock, or piles can be driven to create the pier foundation. The cofferdam is removed after the foundation and pier are constructed....
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No exact match found.
