An abacus is a ancient device that is used for arithmetic calculations.
شهپر هواپیما، قسمت متحرک بال هواپیما
Ailerons are the outer flaps on the rear surface of the wings of an airpane. Ailerons are used to keep the airplane from rollling from side to side.
Airplanes fly in the sky.
A light bulb turns electricity into light.
You can take pictures with a camera.
A can opener is a device that opens cans.
A device is a piece of equipment that does a job. For example, a can opener is a device that opens cans.
The engine of a train pulls the railroad cars along the track.
The engines of an airplane propel it through the air.
A fan is a machine that makes a breeze.
A flashlight helps you find your way in the dark.
A freezer keeps things icy.
A funnel is a device that lets you pour things from one container to another.
A gyroscope is a spinning wheel set in a movable frame. When the wheel spins, it is very hard to move the gyroscope – it essentially stays in its original orientation.
incandescent light bulb
لامپ رشته ای (لامپ برقی معمولی)لامپ التهابی
An incandescent light bulb turns electricity into light as an electric current causes a filament to glow in an air-free enclosure.
An inventor designs and creates new, useful things.
Irons press the wrinkles out of clothes.
(در بازی های کامپیوتری)فرمان، دسته
A joystick is used to play some computer games.
You can lock and unlock a lock with a key.
A magnifying glass is a lens that makes things look larger than they really are.
A microscope lets you see very tiny things.
Microwave ovens heat up food quickly.
You can see your reflection in a mirror.