### vehicle:

Bicycle
* Most bicycles come with all-around tires, designed to work well enough in most conditions.
* Most bicycles have frames
  - front mounted, brushless, permanent magnet hub motors
  - tubes
  - wheels
  - intended for smaller children come with training wheels
* Some bicycles are even more expensive than motorcycles
  - have grease in their freewheels that can cause problems when it gets very cold
  - lose energy
* always yield to pedestrians.
* are a frequent mode of transportation
  - great means of transportation, although most people simply walk
  - healthy alternative to vehicles, and produce no emissions in their use
  - highly efficient alternative to cars
* are a major form of transportation
  - source of childhood injury
* are a popular means of transportation all over the world
  - for college students
  - primary form of transportation in Uganda
  - recognized form of transportation
  - serious mode of transportation for most children and teenagers
  - useful means of transportation when used properly
* are also a common source of significant injuries
  - fuel saver for short trips
  - effective crime-fighting tools when used in densely populated urban areas
  - among the most frequently stolen types of property
  - an important part of most children's lives during the elementary school years
  - bikes
  - cheaper modes of transportion than cars
  - dangerous things
  - enviromently-friendly means of transport as well
  - everywhere in Vietnam
  - faster than cars
  - inherently unstable in yaw and roll
  - legal vehicles
* are located in bicycle shops
  - garages
  - labs
  - parks
  - sheds
  - stores
  - streets
  - toy stores
  - universities
  - made of metal
  - meanses of transportation
  - more technologically advanced than motor vehicles
  - prevalent all over the Netherlands as the land is quite flat and easy to cycle around
  - public transportation
  - quiet and slight, difficult for normal motorized humans to see and hear
  - responsible for following the same laws as cars
  - subject to the same rules and laws as motor vehicles
* are the liberators of space in our communities
  - manifestation of elegant simplicity
  - most efficient mode of transportation ever invented
  - perfect synthesis of body and machine
  - to be parked in bicycle racks or chained to light poles or other stationary structures
  - top-heavy, have poor brakes, and provide no protection to their riders
  - toys
  - traffic
* are used for entertainment
  - racing
  - rides
  - riding
  - rushs
  - traveling
  - welding
  - usually able to last for several years if maintained properly
  - vehicles according to Florida state law
* are vehicles and are required to obey traffic laws just like other vehicles
  - subject to traffic laws
  - supposed to be ridden on the road
  - that can travel at high speeds under demanding conditions
  - vehicles, and as such are unfortunately involved in many accidents
  - where most advances in machining and metallurgy take place
* brakes use friction to stop the wheels from turning.
* can be a means of transportation, physical fitness or racing
  - fun to ride, especially if the rider is suicidal
  - the fastest and most efficient way to navigate crowded cities
  - become a permanent part of the American transportation culture
  - create dangerous situations when they prevent people from moving
* can go places which are inaccessible by cars
  - where cars are unable to go
* come in different sizes.
* commuting offers an alternative to driving a vehicle.
* consume less energy than cars.
* contribute to community vitality, livability and a clean environment.
* exceed ownership of autos worldwide.
* generate less friction because they have only two tires.
* have a tendency to move forward
  - pedals
  - seats
  - spokes
* have the advantage of being able to go anywhere and be parked anywhere, unlike cars
  - same rights and responsibilities as motor vehicle drivers
* helmets Always wear a helmet when riding a bicycle.
* helmets save lives, but only if they are worn
* help keep trails open.
* includes axles
  - bases
* includes bicycle seats
  - coaster brakes
  - fulcrums
  - handlebars
  - sections
  - sprocket wheels
* know when to keep quiet.
* offer the same degree of individual mobility as automobiles.
* play an important part of everyday life in a city such as Kyoto.
* predominate as the main mode of transportation.
* provide a cleaner and cheaper form of transportation compared to automobiles
  - an alternative means of transport
  - police officers with fast, flexible cost-effective transportation
* relieve congestion, improve mobility and reduce air pollution.
* save money, save time, and the environment.
* seem to be the main mode of transportation.
* take longer to stop than cars do.
+ Ho Chi Minh City, Geography: Cities in Vietnam
  * Bicycle riding around the Mekong delta is very easy in dry weather. Because of the flatness, roads and buildings sink into the draining soil. Lying water keeps pollution very close to city homes. The rising tides can flood many districts when the moon is fullest.