[Sanitary improvement of the working conditions and the environment in treating copper sulfide ores by underground leaching].
D003300:Copper; D008669:Metallurgy; D008834:Microclimate; D008906:Mining; D009787:Occupational Medicine; D014586:USSR
D003300:Copper; C017846:cupric sulfide
Ozdorovlenie usloviĭ truda i okruzhaiushcheĭ sredy pri pererabotke medno-sul'fidnykh rud metodom podzemnogo vyshchelachivaniia.