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Mind Fog ERROR

All man-made things are not machines, such as tables and books.

Try This Logical Thinking

Who am I?
• I help you keep food fresh. _____________________

• I help you wash clothes. _____________________
• I help you tell time. _____________________

• I help you do calculations. _____________________

TYPES OF MACHINES
Machines need power to work. Some machines need man-power to work,

while others need fuel or electricity.

Lemon Squeezer Bicycle Sewing Machine

The machines shown above require muscle power to run which comes
from human effort or animals.

The machines shown below run on power which comes from fuel.

Aeroplane Car Bike
The machines shown below run on power which comes from electricity.

Air conditioner Fan Vacuum cleaner

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