In this paper, we discuss an issue of underwater mining and why modern equipment does not fit purpose. Working in such complicated conditions often has unsatisfying performance level. We analyzed the processes materials that have been preliminary dewatered. also describe variations positioning system importance their use mining. A theoretical analysis excavation process with a perforated bucket...

Mineral deposits are essential for the economic, technological and social development. However, to enable them play an appropriate role in process of sustainable development, they need be safeguarded a comprehensive systemic manner same measure as other elements environment. The practice securing access areas where mineral can found is based on statement that extracted only places occur. This f...