Determining the Efficiency Indicators of Excavators in Open-Pit Mining Processes at Mining Enterprises. American Journal of Engineering , Mechanics and Architecture (2993-2637), [S. l.], v. 2, n. 3, p. 124–128, 2024. Disponível em: https://www.grnjournal.us/index.php/AJEMA/article/view/3859. Acesso em: 4 feb. 2026.