Electric Dental Drill- is a small, high-speed drill used in dentistry to remove decayed tooth material.
Telephone- is a telecommunications device that transmits & receives sound.
Hearing Aid- is an electroacoustic apparatus which typically fits in or behind the wearers ear, It amplifies & modulates sound.
Electric Fan- used to create flow within a gas, usually air.
Sky scrapper- A tall, Continuously habitable building.
Kodak Camera- a devices that records images.
Dishwasher- a mechanical device for cleaning dishes & utensils.
Escalator- is a moving staircase, a conveyor transport device for carrying people between floors of a building.
Zipper- device for temporarily joining two edges of fabric.
Submarine- a watercraft capable of independent operation below the surface of the water.
Shaving- removal of hair, by using a razor or any other kind of blade.
Air Conditioning- indoor cooling air for comfort.
Frozen Food- preserves food from the time it is eaten.
Nylon- is found in clothing all the time, but also other places.
Heart Lung machine- the CPB pump is often referred to as as Heart Lung Machine.
Laser- Mechanism for emitting electromagnetic radiation.
Video Game- an electronic game that involves interaction with a user interface to generate visual feedback on a video device.
Bar code- an optical machine, readable representation of data, which shows certain data on certain products.
Computer- computer technology.
Space Shuttle- an American space craft operated by NASA.