• 5 Videos, Slides, Films

• 4 Mechanics
• 4 Physics
• 2 Chemistry
• 2 Civil engineering
• 2 Materials
• 2 Mechanical engineering
• 2 Structural engineering
• 1 Biological control systems
• 1 Biology
• 1 Brain
• 1 Central nervous system
• 1 Chemical elements
• 1 Chemical processes
• 1 Chemical reactions
• 1 Chemicals
• 1 Electrical engineering
• 1 Electronics
• 1 Fluid dynamics
• 1 Heat engineering
• 1 Human anatomy
• 1 Human biology
• 1 Manufacturing processes
• 1 Mechanical properties

• 5 Films Media Group
• 5 Infobase

• 5 English

• 5 Internet videos
• 5 Video recordings for the hearing impaired

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