puits (1) rayonnement (1) radioactivité naturelle (1) risque pour la santé (1) exposition (1) dose (1) point (1) taux (1) index (1) Case (1) Bodies (1) Values (1) Value (1) Usage (1) Rocks (1) Radiation (1) Granite (1) Grammar, Comparative and general--Case (1) Evaluation (1) Case (1) Building materials (1) Tax assessment (1) Usage (1) répertoire (1) pointe (1)