Assaying (2) Tankers (2) Shipping (2) Risk (2) Profit (2) Oil spills (2) Land companies (2) Impact (2) Europeans (2) Airtankers (Military science) (2) Use (2) Usage (2) Analysis (2) Mareas negras (2) Beneficios (2) Barcos petroleros (2) Analyse (2) Coque (2) Transport maritime (2) Avions ravitailleurs (2) Transports maritimes (2) Profit (2) Risque (2) Impact (2) Usage (2) Analyse (2) Européens (2) Sociétés d'aménagement foncier et d'établissement rural (2) Pétroliers (2) Régions administratives (2)