How does a calculator work?
Mains eletricity
Battery
How does a fridge work?
Mains eletricity
Battery
How does a car work?
Battery
Mains eletricity
How does a lawn mower work?
Mains eletricity
Battery
How does a TV work?
Mains eletricity
Battery
How does a microwave oven work?
Battery
Mains eletricity
How does a watch work?
Battery
Mains eletricity
How does a light bulb work?
Battery
Mains eletricity
How does a flashlight work?
Mains eletricity
Battery
How does a washing machine work?
Battery
Mains eletricity
How does a clothes iron work?
Mains eletricity
Battery
How does a cellphone work?
Battery
Mains eletricity
Look at the picture! Do they use cells or main electricity?
Main Electricity
Look at the picture! Do they use cells or main electricity?
Main Electricity
Look at the picture! Do they use cells or main electricity?
Cells
Look at the picture! Do they use cells or main electricity?
Cells
