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NATURAL AND HUMAN-MADE THINGS
We see many things around us. Some are natural and some are human-made. For
example,
Tree Sun Cat Pencil Television Fan
Natural things Human-made things
WHAT ARE MACHINES?
Machines are things made by man. They make our work easy. They also save our
time. Some machines need electricity to work and some do not. We use many
machines in our daily life. Some examples of machines are given below:
An air conditioner makes a room cool.
Air conditioner
A refrigerator keeps our food fresh. It also keeps water cool.
Refrigerator
A washing machine helps us to wash clothes.
Washing machine
A television is used for entertainment. We can watch movies,
news, sports and cartoons on television (TV).
Television 12:20
We use a telephone or mobile phone to talk to people
who are far away.
Mobile phone
8 iPro (Ver. 4.1)-I

