### substance | paper | card:

Play card
* are motivated by the goal of fun
  - play games
  - wins
* start with cheats
  - deals

Playing card
*  tournaments playeds.
* are activities
  - cards
  - part of decks
* are used for bored people
  - bridges
  - enjoyment
  - entertainment
  - hobbies
  - mental stimulation
  - old people
  - pleasure
  - wasting time
* cause amusement
  - anger
  - happiness
  - winnings

### substance | paper | card | playing card:

Singleton
* are playing cards
  - sets
  - simpler than fuzzy sets
  - specialist intellectual property solicitors
* often control access to resources such as database connections or sockets.

Time card
* are located in work.
* track the number of hours each employee worked on a daily basis.

Trade card
* are basically an early form of the business card.
* play a unique role in American social and cultural history.

### substance | paper | card | trading card:

Baseball card
* are trading cards.
* have a very broad history.

### substance | paper | card:

Video card
* All video cards contain memory that is used to process and store video data.
* Most video cards have a slide that can adjust the light levels in a game or application.
* Some video cards have a clockchip which programable clock device
  - limits on the number of colours that can be displayed at higher resolutions
  - multiple frame buffers than can be switched instantly
  - their own chipset and memory
  - scan only every other line when they scan over a screen
* are actually a small computer designed specifically to perform the video function
  - located in computers

### substance | paper:

Chad
* are countries
* are the bits of paper from the holes in punchout ballots
  - little bits of paper that are dislodged from punchcard ballots during voting
  - pieces of cardboard voters punch out of ballots using a stylus
  - small paper rectangles that voters punch out with styluses to indicate their votes
  - tiny bits of paper released when a ballot is punched
* can be due to a variety of underlying disorders.
* connects western and central Africa where polio is endemic.
* is paper
* ranks among the poorest countries.

Cigarette paper
* is tissue
* major flax paper product.

Coated paper
* Many coated papers can be difficult to dry without adhering once they are wet
  - to dry without sticking together once they are wet
* is used in applications such as magazine paper and corporate reports.

Colored paper
* can reflect the brilliance of plant fibers as well as flower petals and corn husks.
* releases toxic heavy metals into the atmosphere.

Electronic paper
* is made from a thin layer of plastic.
* uses small beads enmeshed in a flexible binder sheet.

Filter paper
* has holes.
* is paper.

Glossy paper
* are all coated papers.
* can be difficult to read for people with sight problems as it reflects too much light.
* has a glare that can be difficult to see by people with impaired vision.

Graph paper
* can help keep columns straight.
* comes in a variety of grid sizes.
* helps line up math problems.

Handmade paper
* has a unique look and texture that sets it apart from machine-made paper.
* is formed from the cellulose fibers of plants.

### substance | paper:

Litmus paper
* changes color to reflect the acidity or alkalinity of a substance.
* is an example of an acid-base indicator commonly used in the middle school laboratory
  - indicator that is often used to determine the pH of a solution
  - located in chemistry labs
  - paper treated with the dye
* shows that acid is present by turning red.
* turns blue when exposed to a base
  - it is dipped in a base and pink when it is dipped in acid
* turns red in acidic solutions and blue in basic solutions
  - acids and blue in bases
* uses a lichen-derived dye
  - indicator chemicals, which are combined with a special absorbent paper