ANALYSIS OF THE CHEMICAL COMPOSITION OF POLLUTANTS IN THE WORKING FLUID OF HYDRAULIC EXCAVATORS. Proceedings of International Conference on Modern Science and Scientific Studies, [S. l.], v. 3, n. 3, p. 1–4, 2024. Disponível em: https://econferenceseries.com/index.php/icmsss/article/view/4005. Acesso em: 18 nov. 2025.