"Energy and power - Alternative energy - Nuclear energy - Electric motors - Engines - Computers - Industry - Refrigerator - Vacuum cleaner - Washing machine - Iron - Clocks - Telephone - Camera."
"Text and drawings explain the workings of certain everyday items including bicycles, traffic lights, and computers."
"Text and drawings explain the workings of certain everyday items including bicycles, traffic lights, and computers."@en
"Comment fonctionne une horloge ? A quoi sert la souris d'un ordinateur ? Comment obtient-on des images du corps humain ? Quel phénomène exploitent la télévision et le cinéma ? Comment un satellite reste-t-il en orbite ?"
"Power of sun, wind and water - X-ray machines - Microscopes - Cameras - Transport by land, sea, and air - Musical instrucments & sound; Microwave oven - Fax machine - Automated teller machine (ATM) - Ultrasound scanner - Radio telescope - Communications satellite - Mobile telephone - Personal computer - Compact disc player - Piano - Television - Space craft."@en
"Text and drawings explain the workings of certain everyday items including electric generators, telephones, cameras, bicycles, traffic lights and computers."@en