An analysis of appropriateness of room-and-pillar method for extracting medium-thick inclined coal seams in Quang Ninh Coal Basin taking into account existing mining and geological conditions was carried out. Corresponding foreign experience of applying room-and-pillar method was considered in relation to the mines of Vietnam. Process flow sheet of first mining and extraction of mediu... https://safeersappliancers.shop/product-category/faber-high-light-rad-brs-wh-matt-a91-matt-white-91cm-110-0456-206-cooker-hood/