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During my time working as a procurement associate in eTEC E&C, which is a South Korean EPC company that constructs civil buildings and industrial facilities such as factories and petrochemical and power plants, I discovered that data analysis could yield highly valuable information. 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 examining the informat