Compliance measures by the project page is checked regularly by the mining engineers, mine. If you find that there are areas which, when analyzed, sinkhole may be assigned to such areas is prohibited from operating area.
Compliance measures The project is checked regularly by a mining engineer, mine page. If any area has a hole collapse. This analysis may be dangerous. To designate the area as a prohibited practice.
Comply with the measures. The project is checked regularly by mining engineer. The mining faces If you find any space a sinkhole. The analysis and potential danger. The area is set to prohibit the practice.