Photo: Learning about Petroleum

November 21,2019
LEARNING ABOUT PETROLEUM: Engr. Dan Emmanuel M. Montealegre of the DOE-Energy Resource Development Bureau shares his knowledge about petroleum with one of the students of Batangas National Highschool.

LEARNING ABOUT PETROLEUM: Engr. Dan Emmanuel M. Montealegre of the DOE-Energy Resource Development Bureau shares his knowledge about petroleum with one of the students of Batangas National Highschool. 

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