Temporary dams are designed to collapse. If the government sees this as an advantage, that they are easy to build and can be broken down quickly, this is a disaster. Because if we look back at the original intention of building dams to trap toxic metal sediments, if they were built to collapse easily, where would this sediment go? In the end, it goes with the water. Instead of going normally, it goes in clumps and is concentrated. Is this really an advantage?
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