heures de travail (1) puits (1) enquête (1) risque (1) productivité (1) papier (1) évolution (1) environnement (1) emploi (1) comparaison (1) Deterioration (1) Comparison (1) Employment (1) Case (1) Death (1) Cases (1) Nineteen nineties (1) OECD countries (1) Women employees (1) Employees (1) Work (1) Women (1) Struggle (1) Special districts (1) Satisfaction (1) Risk (1) Perspective (1) Paper (1) Nature and nurture (1) Japanese (1)