the invention u043eu0442u043du043eu0441u0438u0442u0441u00a0 to the mining industry and is u0434u043bu00a0 u043fu0440u043eu0432u0435u0434u0435u043du0438u00a0 of u043fu043eu0433u043eu0440u0438u0437u043eu043du0442u043du044bu0445 u0448u0442u0440u0435u043au043eu0432. objective - enhancing the sustainability of preparatory falls (fw). species on the border of coal-bed u043fu0440u043eu0432u043eu0434u00a0u0442 fw 1 serving u0440u0430u0437u0433u0440u0443u0437u043eu0447u043du0443u044e ahead of u0437u0430u0431u043eu00a0 lava lava. as the development of further along the fw u043fu0440u043eu0438u0437u0432u043eu0434u00a0u0442 excavation unloading of u0443u0433u043bu00a0 2 width not less than 5 meters.the breed that can be extracted in u0437u0430u0431u043eu00a0u0445 is placed on both sides of the fw to a height not more than 0.75 power of coal-bed. at a distance of not less than 7 m from the loader further u0432u043eu0437u0432u043eu0434u00a0u0442 u0431u0443u0442u043eu0432u044bu0435 lane 3. if necessary, the side of the fw u0443u043au0440u0435u043fu043bu00a0u044eu0442 solutions u0432u00a0u0436u0443u0449u0438u0445 substances to a depth of not more than 5 mm. in u0432u044bu0431u0440u043eu0441u043eu043eu043fu0430u0441u043du044bu0445 (fw u043fu0440u043eu0432u043eu0434u00a0u0442 species immediate roof ahead of u0437u0430u0431u043eu00a0 150 to 200 metres. 2 z.s - lu, 6).
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