Screws
|
|
1.9 |
|
|
Inventors and Inventions
|
|
4.7 |
|
|
Recycling
|
|
3.8 |
|
|
Drones
|
|
2.8 |
|
|
Las grúas (Cranes)
|
|
|
|
|
Las retroexcavadoras (Backhoes)
|
|
|
|
|
Los buldóceres (Bulldozers)
|
|
|
|
|
Los camiones hormigonera (Concrete Mixers)
|
|
|
|
|
Backhoes
|
|
|
|
|
Bulldozers
|
|
|
|
|
Concrete Mixers
|
|
|
|
|
Cranes
|
|
|
|
|
Diggers
|
|
|
|
|
Rollers
|
|
|
|
|
Las aplanadoras (Rollers)
|
|
|
|
|
Las excavadoras (Diggers)
|
|
|
|
|
Electricity
|
|
2.8 |
|
|
Energy
|
|
2.7 |
|
|
Force and Motion
|
|
2.9 |
|
|
Light and Sound
|
|
2.5 |
|
|
Magnetism
|
|
2.7 |
|
|
States of Matter
|
|
2.8 |
|
|
Superfast Boats
|
|
2.9 |
|
|
Superfast Cars
|
|
2.8 |
|
|
