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During my time as a procurement associate in eTEC E&C, a South Korean EPC company that constructs civil buildings and industrial facilities, such as factories and petrochemical and power plants, Ifound that byanalyzing data, I could attain information that greatly enhanced the efficiency of my work. For example, by grouping completed construction projects in terms of their fiscal size and function in addition to categorizing them as machine, piping, electric, instrument, and HVAC, and then exami