edit: Thanks so far. What we have determined is that some combusstion occurs, but not useful combustion.. There are no fossil fuels (as there are no dinosaurs, ancient plants, etc.). Wood burns to make fire, but there is no coal. Furthermore, while natural electricity is present (such as in the human body or lightning), it is impossible to harness. (an explanation why it COULD be impossible to harness it would also be appreciated, better to have some reason than "no one has thought of it". perhaps we can play with the rules of conductivity a bit?)
Thanks to Inventors.about.com I have determined several things that would probably be around:
Rayon
Barbed wire (and thus wire)
printing press and sewing machine
eyeglasses and perhaps contact lenses (glass only)
cotton gin
Parachutes or hang gliders
Furthermore, some things that would not work
-Steam Engines (no coal or other substances means no easy burn for steam production)
-Plastic (no fossil Fuels means no extract of fossil fuels)
-engine/car/train (no combustion)
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