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The________________ was invented to prevent diseases from spreading.
vaccination
The __________________ was invented to make it easier to clean your flat or house.
vacuum cleaner
___________________ was invented to make it easier to keep cool.
Air conditioning
__________________ were invented to improve people’s vision.
/Glasses/Contact lenses
________________was invented to take people up and down buildings.
The lift/ the elevator
It was invented to help people communicate. It is _______________.
The telephone/the Internet
It was invented to heat and defreeze food. ____________________
Microwave
It was invented for moving quickly from one country to another overcoming long distances.__________
Airplane
It was invented to keep your food unspoiled and fresh to eat.___________
Refrigerator
People look at this to know the time. ________
clock/watch...
This can control the TV.
Remote controller
Something that was invented for exchanging it for products,etc.
Money
it was invented for storing, organizing, and finding words, numbers, and pictures, for doing calculations, and for controlling other machines.
Computer
It was invented for producing an image of whatever is in front of it.
Mirror
It was invented for allowing hidden objects such as bones and organs in the body to be photographed.
X-ray
This vehicle was invented to move by turning the two pedals.
Bicycle
