### aggregation | set:

Triplet
* are siblings.
* are three berries on the same stalk
  - notes played in succession per beat
  - three-line stanzas of any metrical length in which all the lines rhyme
  - when the dice roll are all one number
* can lead to medical complications.
* consist of a thin slice of opal sandwiched between a cap of clear quartz and a base.

### aggregation:

Traffic
* also causes more motor vehicle accidents and increases the level of stress among drivers
  - generates particles from the wear of rubber tyres and of the road surface itself
  - refers to the amount of data transfers occurring on a server
* calming devices control traffic speeds and discourage through trips by automobiles
  - reduce traffic speeds and through trips
* calming measures are one method to control motor vehicles and therefore assist cyclists
  - increase safety and security by reducing vehicle speeds
* crashes aren t accidents.
* function of employment centers.
* is also one of the biggest sources of air pollution
  - communication
  - data crossing a network
  - located in streets
* is one of the most important pollution sources in urban air
  - variables by which most Web hosting companies charge their customers
  - smooths
* is the common issue that sellers have with wholesale trading networks
  - movement of cars, trucks, other vehicles and pedestrians
  - term to describe the amount of clicks, or visitors, a particular page gets
  - traffic, whether at the front, middle or the back
* major factor that affects the livability of a community.
* moving over the Internet is in some ways similar to traffic moving over roads and highways.
* predominates as the cause of fatal accidents, causing one-fifth of all accidental deaths.
* refers to the environment of drivers.
* shaping parameters define the negotiated traffic shape of a connection.
* trends The growth in motor traffic on Britain's roads has slowed in recent years.
+ Interchange (road), Diamond Interchange: Roads :: Bridge types
  * A diamond interchange is where a freeway and a road meet. This hits a road at a stop light. Traffic can also go from the road to the freeway by going on an onramp. It is called that because it looks like a diamond.
+ Seed dispersal: Plants
  * Traffic contributes to seed dispersal.

### aggregation | traffic:

Air traffic
* controllers the world over communicate in English.
* is traffic.
* wastes energy.
+ São Paulo (state), Transportation
  * Air traffic is the busiest of all Brazil.

Automobile traffic
* can also travel more safely and efficiently, reducing slow downs and congestion.
* is an on-going accident waiting to happen
  - probably the most deadly threat to kids on wheels or on foot
  - the reptile on wheels
  - vehicular traffic

Foot traffic
* has different impacts than do motorized vehicles.
* is traffic

Heavy traffic
* is linked to increased rates of child cancer and leukemia
  - located in freeways
* very common phenomenon in the queueing networks.

Road traffic
* is also one of the major killers for muntjacs
  - particularly costly in terms of environmental pollution
  - responsible for hundreds of badger deaths each year
* is the fastest growing source of carbon dioxide emissions which cause climate change
  - major source of NO X emissions
  - most rapidly growing source of pollution in Europe
  - number of vehicles multiplied by the distances they travel
* major contributor to air pollution.