31350278extracting complexesPT2026-03-30 20:34:32UF31350279complexes, extractingNDUF31350280extracting complexNDBT31323430industrial complexesPTNT31380007gravel pitsPTNT31380011minesPTNT31380013oil fieldsPTNT31380018quarriesPTNT31380033deneholesPTNT31380022try-housesPTNT31380026collieriesPTNT31380028gas fieldsPT