7.40 Power Amplifier: 1
8.05 Chemical Processes
8.30 The Earth's Surface
8.55 The Explosives Industry
9.20 Design Strategies
9.45 Understanding Fluid Effects
10.10 Community School?
10.35 Government Control of Regional Development
11.00 Partial Differential Equations
11.25 Personality Growth and Learning
11.50 The Heart of Computers
12.15 Maths: Wave Equation
12.40 Salvation and Politics