[ANGOP]Oil minister, Botelho de Vasconcelos, Friday, inaugurated two social enterprises that will improve the quality of clean drinking water and wastewater treatment in the National Petroleum Institute (INP).
[ANGOP]Oil minister, Botelho de Vasconcelos, Friday, inaugurated two social enterprises that will improve the quality of clean drinking water and wastewater treatment in the National Petroleum Institute (INP).