puits (1) temps (durée) (1) science (1) papier (1) séparation des masses (physique) (1) plomb (1) information (1) débit (1) champ (1) taux (1) entreprise (1) Oslo County (1) Language (1) Area (1) Regulations (1) Rules (1) Regulations (1) Rules (1) Knowledge workers (1) Area (1) Time (1) Selling (1) Science (1) Reproduction (1) Process (Law) (1) Paper (1) Orientation (1) Modeling (1) Manufactures (1) Lead (1)