[Survey of the Committee on Hygiene and Security on apprenticeship centers].
D003625:Data Collection; D006801:Humans; D006920:Hygiene; D007221:Industry; D009784:Occupational Diseases; D016272:Occupational Health; D009790:Occupations
INDUSTRIAL HYGIENE; INDUSTRY AND OCCUPATIONS
Essai de Comité d'Hygiène et de Sécurité dans quelques centres d'apprentissage.