People say, the future is smart buildings. How can a building be smart? In many ways. It turns on the light when the family members arrive and prepares water to have a bath. It turns on the oven to make dinner in time. It cleans the floor when it gets dirty.

• Is your home a smart house? Why? Why not?
• What machines do you have at home?
• What machines would you like to have in your house?

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