### vehicle:

Truck
* Many trucks have a frame that supports the body.
* Most trucks have wheels.
* Shows the history of trucks and trucking.
* Some trucks have kinetic energy.
* are a critical component of pavement wear
  - very important to the European economy
  - automobiles
  - big cars
* are located in freeways
  - garages
  - rest areas
* are motor vehicles that are seen on many different types of roads
  - the main means of transportation and thousands of miles of roads have now been paved
  - used to transport people or things, they use fuel known as diesel
  - what model railroaders call the wheels on the cars
* become passive killers when lighter vehicles collide with their sides or rear ends.
* brakes create heat when the truck is traveling downhill.
* carry cargo
  - chain saws to cut apart the huge trunks that often block their way
  - food, medicine, and goods of all kinds across continents
* come in a variety of shapes and sizes
  - all sorts of color and shapes
* hate cars, and cars hate trucks.
* have a large frame, motor, and wheels
  - mass
  - momentum
  - much larger blindspots on both sides of their vehicles than cars
  - significantly different characteristics than cars
  - steer wheels
  - tires, railroads have tracks
* includes automobile batteries
  - bases
* includes brake bands
  - systems
  - bumper guards
  - bumpers
  - cabs
* includes car batteries
  - ceilings
  - cylinder blocks
  - emergency brakes
  - engine blocks
  - fan belts
  - fans
  - floors
* includes fuel gauges
  - indicators
  - lines
  - fulcrums
* includes gas gages
  - tanks
* includes gasoline gages
  - gear levers
  - hand brakes
  - headlamps
  - hinges
  - hubs
  - infrastructures
  - odometers
* includes petrol gages
  - poppets
  - power trains
* includes rear lamps
  - room light
  - second gear
  - sections
  - speedometers
  - suspension systems
  - tail lamps
  - tailgates
  - thermostats
  - transmission systems
  - voltage regulators
  - walls
  - wipers
* leave driveways.
* play a role in every industry.
* represent the single most important mode of transport for agricultural produce.
* tend to be heavier than cars and have a higher center of gravity
  - weigh more, have higher hoods and stiffer frames than cars
* transport small loads because of the heavy weight of the material, which is used in paint.

### vehicle | truck:

Dump truck
* are toys
* have heavy bodies to carry heavy loads.

Dumper
* includes fuel gauges
  - fulcrums
  - tanks
  - pedals
  - poppets
  - room light
  - transmission systems
  - walls
  - windshields
* sometimes denotes the buttocks, especially when they are large.

### vehicle | truck:

Fire engine
* Fire Engines Play with trains, hats, clowns, frogs, and more.
* are trucks.
* have sirens.
* pump water and foam which is used to put out the fire.
+ Firefighter: Occupations :: Firefighting
  * Firefighters have vehicles they drive fires and rescue operations. If the vehicle pumps water it is called an 'engine'. If it does not pump water it is called a 'truck'. A rescue truck mainly responds to and has equipment for car wrecks,collapsed buildings,search and rescue,stuck elevators and other things. If it carries the fire chief to fires, it is a fire chief car. Fire engines pump water and foam which is used to put out the fire. Fire trucks carry ladders and tools to help rescue people from burning buildings. Some engines carry first aid kits to help people who are injured or hurt. Fire engines can also carry tools and gear to rescue people from collapsed buildings,car accidents,stuck elevators, and many other situations.

### vehicle | truck | fire truck:

Ladder truck
* are fire engines.
* carry ladders.
* fire truck

Light truck
* are far less efficient than passenger cars.
* tend to weigh more than cars and get fewer miles to the gallon.