### structure | tower:

Lighthouse
* Most lighthouses also have landing pads for helicopters
  - have a small window to bring daylight into the tall dark passage to the top.
  * A 'lighthouse' tall building that has a light near the top. Lighthouses are built on the coast of an ocean or lake. The lighthouse protects ships from crashing into shore by sending the light out towards the sea. The light usually turns in a circle so that ships see a flashing light. The light is usually covered by a Fresnel lens. This lens enables the light to travel a far distance
* are a symbol of hope and safe journey
  - books
  - endangered species of sorts
  - stately structures of architectural significance
  - to be found everywhere
* dot the coast whose waters had come to be known as the Graveyard of the Atlantic.
* guide ships along the busy and often dangerous mid-Atlantic coast.
* have a long and colorful history.
* illuminate the dark, gloomy, formidable and cold storms.
* light up the water to see if there shark and are very helpful when there fog.
* mark the hazardous points and shoals all the way up to Boston.
* signal in the distance.
* stand as sentries along the rugged coast of Maine.
* use a lens to reflect the light out over the water.
* warn seafarers of the treacherous rocks and reefs.

### structure | tower:

Minaret
* are in the courtyard s four corners
  - open air
  - part of mosques
  - perhaps the most common feature of Islamic architecture
  - tall towers
* come in a variety of shapes.
* rise above every neighborhood
  - over the city as the call to prayer beckons the faithful
+ Mosque, Parts of Mosques, Minarets
  * Most mosques have minarets. Minarets are tall towers. Usually they are at one of the corners of the mosque. The top of the minaret is the highest point in the mosque, and usually the highest point in the area around the mosque. The tallest minaret in the world is in the Hassan II Mosque in Casablanca, Morocco.

Pylon
* are a major tool in re-creating an Initiatory tradtion on Earth
  - devices
  - the largest and least essential parts of a temple that is usually built last
* connect the nacelles to the jet bodies and do such things as transport fuel to the engines.
* includes bases
  - sections

Silo
* are buildings
  - military installation
  - software
  - very important to many farm operations, but they are also the source of many accidents
* feed animals.

Steeple
* are located in churchs
* come in all shapes and sizes.

### structure | tower | steeple:

Pinnacle
* Some pinnacles are hollow, some have caves, and some form canyons.
  - located in chinas
  - peaks
  - steeples
  - tops
* hiking paradise for hikers interested in hiking in the outdoors.
* is the manufacture of various computer peripherals.
* represent one of the last stages of island volcanoes.

Turret
* are part of castles
* includes bases

Trellis
* allow plants to support more surface area for fruit production.
* are lattices.
* can shade windows, walls and outdoor-living areas.
  - sections
* is fretwork

Vegetation structure
* Some vegetation structures consist of layers
  - shrub layers
* influences bird diversity.
* is the best predictor of avian diversity.
* seems more important than a particular species of plant.

Vertical structure
* is described as layers in a natural community.
* lead to imbalances in distribution of income.

Vocal cord
* are fragile and vibrate at a very fast rate when singing
  - thicker and longer in males than females, so they vibrate slower
* form in the larynx, or voice box.
* is body parts
  - folds
  - solid objects
* separate briefly with the release of air.

Vocal fold
* are too stiff to vibrate.
* oscillate to modulate the airflow.
* produce the tones that come from the larynx.

Volute
* consume small mollusks and other small marine animals.
* have a limited location and distribution, because of their breeding habits.
* lack the free-swimming larval stage of other mollusks.