After some time of use, any equipment gets weary and its level of output goes down. The law of wear and tear, they call it in physics. Depreciation as they call it in economics. Due too many factors, something has to be done to the equipment. Especially if as the owner you want it to continue serving you as effectively as if it was new. This is the case to highways. If they are not repaired, they deteriorate and may cause loss of lives. That is why road maintenance management is important.
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