petroleum ☊ 
dầu lửa ☊ petroleum ☊ đầu hỏa ☊ Petroleum ☊ 
Petroleum ☊ < 7.5 Lichtquelle Petroleum Industry ☊ Mineralölwirtschaftsverband ☊ < 19.22 Rohstoffe, Werkstoffe Petroleum refinery ☊ Erdölraffinerie ☊ < 20.46 Industrie | Vie | Eng | |
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