[Apprenticeship, hygiene and security in French iron mines].
D005006:Ethnicity; D006801:Humans; D006920:Hygiene; D007501:Iron; D007802:Language; D008906:Mining; D016272:Occupational Health
D007501:Iron
INDUSTRIAL HYGIENE; MINING
Apprentissage, hygiène et sécurité dans les Mines de Fer Françaises.