| Machines and How They Work | MPC / Zig Zag Multimedia | 1997 | |
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This is an interactive package of images, sound, and text. The content on the cd-rom is designed for national curriculum. | ||
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| Machines and How They Work | MPC / Zig Zag Multimedia | 1997 | |
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This is an interactive package of images, sound, and text. The content on the cd-rom is designed for national curriculum. | ||
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