This invention is used for recording visual images in the form of photographs, film, or video signals.

___________________ was invented to make it easier to keep cool.

it was invented for storing, organizing, and finding words, numbers, and pictures, for doing calculations, and for controlling other machines.

The _____________was invented to make it easier to see in the dark.

__________________ were invented to improve people’s vision.

It was invented to keep your food unspoiled and fresh to eat.___________

This invention is an aircraft that does not have a pilot but is controlled by someone on the ground, used especially for dropping bombs or for surveillance.

________________was invented to take people up and down buildings.

It was invented for moving quickly from one country to another overcoming long distances.__________

Something that was invented for exchanging it for products,etc.

This can control the TV.

This invention is a long, thin object used for writing or drawing with ink.

It was invented to help people communicate. It is _______________.