travail (2) Impact (2) Experience (2) Population (2) puits (1) virus (1) société (humaine) (1) risque (1) presse écrite (1) politique (1) santé (1) exposition (1) index (1) Corrupt practices (1) Employment (1) History (1) Costs (1) Children (1) Casualties (1) Parts (1) Law and legislation (1) Article (1) Diseases (1) Adversaries (1) Adaptation (1) Rules (1) Rules (1) Parts (1) Process control--Statistical methods (1) States (1)