bitume (1) recherche (1) pyrolyse (1) traitement (1) peinture (1) matériau (1) plomb (1) lac (1) chromatographie en phase gazeuse (1) chimie (1) Defects (1) Chemical warfare (1) Theater (1) Research (1) Records (1) Pyrolysis (1) Petroleum (1) Painting (1) Paint (1) Oils and fats (1) Nineteenth century (1) Names (1) Methylation (1) Linseed oil (1) Lead (1) Heat (1) Gas chromatography (1) Explanation (1) Evidence (1) Drama (1)