### device | machine | motor | engine:

Aircraft engine
* Some aircraft engines are part of aeroplanes
  - airplanes
  - choppers
  - helicopters
  - jets
* are engines
  - part of aircrafts
  - parts
* can also adopt a radial configuration , which allows more effective cooling.
* have dual ignition systems for safety and improved performance.
* is an engine
* produce many different emissions.
* use a sarazin or chilton type pendulous damper.

Automobile engine
* Most automobile engines achieve adequate oil flow soon after start-up.
* Some automobile engines are part of ambulances
  - automobiles
  - cars
  - taxis
  - just one of many devices that convert energy into useful work
  - part of cars
* have a range where they are most efficient.

Car engine
* Most car engines use port injection or a carburetor rather than direct injection.
* are a major source of carbon monoxide, especially when they first start up.
* can only burn petrol once it has been vaporised.
* have a lot of moving parts, and they rub on each other.

Chess engine
* are computer systems that can play chess games against human opponents.
+ Chess and computers, Chess engines
  * Chess engines are computer systems that can play chess games against human opponents. The Oxford companion to chess'.
+ Chess, Chess and computers, Chess engines

Combustion engine
* Most combustion engines burn fossil fuel
* Most combustion engines convert chemical energy
  - liquid fuel energy
* Most combustion engines convert potential chemical energy
  - have cylinders
* Most combustion engines use petroleum products
* are one of the leading causes of smog in the Rogue Valley and the world.

Conventional engine
* Most conventional engines convert energy
* produce maximum torque

### device | machine | motor | engine:

Generator
* Most generators convert energy
  - kinetic energy
* Most generators convert mechanical energy
  - forces
  - power
  - create charge
* Most generators create electrical charge
  - electricity
  - voltage
  - drive motors
  - generate heat
* Most generators have energy
  - wire
  - make electricity
* Most generators operate devices
  - electronic devices
  - small electronic devices
  - produce current
* Most generators produce electric current
  - measurable electric current
* Most generators supply domestic electricity
* Most generators transform energy
* Most generators use charge
  - electromagnetic principles
  - electronics
  - magnetic charge
* Some generators consist of magnets
  - permanent magnets
  - kill mites
* Some generators use energy
* add weight.
* also pose electrical hazards.
* are apparatus
  - devices that turn mechanical energy into electrical energy
  - electrical devices
  - extremely efficient in converting mechanical energy to electrical energy
  - makers
  - mechanical devices
  - part of cars
  - responsible for the cost of hazardous waste disposal
  - the largest segment of the used oil industry
* come in many sizes.
  - other types of mechanical energy into electromagnetic energy
* get energy when pressed against the spinning tire.
  - harness energy
* includes power trains
  - sections
* is apparatus
* move electrons by coils of wire and magnets.
* produce carbon monoxide poisoning
  - monoxide, an odorless, colorless gas that can kill people
* provide charge
  - electricity that can be transmitted on power lines leading to and from a home
  - magnets and electromagnetism to convert mechanical power to electrical power
  - same principles
  - sophisticate electronics
* usually produce electricity with a low voltage.