Yazar
m j sapko
6 cilt bulundu.
M. J Sapko · Dept. of the Interior, Bureau of Mines
13 sayfa · 1977
Fires and fire prevention / Coal mines and mining / Mine fires / Prevention and control / Methane
M. J. Sapko · U.S. Dept. of the Interior, Bureau of Mines
27 sayfa · 1981
Conveyor belts / Fire testing
M. J. Sapko · U.S. Dept. of the Interior, Bureau of Mines
10 sayfa · 1991
Measurement / Mine dusts / Optical instruments / Reflectometer
M. J. Sapko · U.S. Dept. of the Interior, Bureau of Mines
23 sayfa · 1987
Coal mines and mining / Dust control / Fires and fire prevention / Mine explosions
Marcia L. Harris, M. J. Sapko, F. Varley, E. S. Weiss · Dept. of Health and Human Services, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, Pittsburgh Research Laboratory, Office of Mine Safety and Health Research
53 sayfa · 2012
Mine dusts / Safety measures / Coal dust / Dust control / Equipment and supplies