• 3 Videos, Slides, Films

• 3 Chemical elements
• 3 Geology, Structural
• 3 Inorganic compounds
• 3 Mantle
• 3 Organic compounds
• 2 Ecology
• 2 Environmental chemistry
• 1 Dynamics
• 1 Energy consumption
• 1 Energy development
• 1 Environmental aspects
• 1 Management
• 1 Mechanics
• 1 Natural resources
• 1 Power resources

• 3 Films Media Group
• 2 Granada Media (Firm)
• 1 Allegro Productions (Firm)

• 3 English

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