[Statistics and its analysis of accidents in Joban coal].
M
M
SHIGA
D000059:Accidents; D000062:Accidents, Occupational / Q000706:statistics & numerical data*; D001699:Biometry; D003031:Coal; D003032:Coal Mining; D006801:Humans; D007221:Industry
D003031:Coal
ACCIDENTS, INDUSTRIAL/statistics; COAL MINING