Preservation (2) Conservation (2) Science (2) Restauration (2) Protection du patrimoine (2) Science (2) Conservation (2) Testing (1) Conservation and restoration (1) Cleaning (1) Tools (1) Polychromy (1) Hand (1) Frost (1) Elasticity (1) Dilemma (1) Valuation (1) Rating of (1) Painting (1) Forecasting (1) Surfaces (1) Evaluation (1) Ensayos (Tecnología) (1) Evaluación (1) Heladas (1) Manos (1) Superficies (1) Limpieza (1) Pintura (1) Elasticidad (1)