+{0} to world mine and oil rig efficiency
description of a research node in the research tree
September 5, 2025
+{0} à l'efficacité des mines et des plateformes pétrolières mondiales
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Suggestion from Genesis_Groundhog won by last vote cast by user by Hafuu - February 13, 2026
+{0} à l'efficacité des mines et des plateformes pétrolières mondiales
Suggestion from LittleRoad666 lost by voting - January 28, 2026
+{0} à l'efficacité de la mine mondiale et de la plate-forme pétrolière
Suggestion from Genesis_Groundhog submitted for review - September 5, 2025
+{0} à l'efficacité des mines et des plateformes pétrolières mondiales
Suggestion from LittleRoad666 submitted for review - May 12, 2025
+{0} à l'efficacité de la mine mondiale et de la plate-forme pétrolière